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Uses of Avonex
 
Avonex is also known by the generic name Interferon Beta-1a


USES:
This medication is used to treat multiple sclerosis (MS). Interferon is not a cure for MS, but it may help to decrease the number of attacks of weakness and slow the progression of the disease.


Uses of Betaseron
 
Betaseron is also known by the generic name Interferon Beta-1b


USES:
This medication is used to treat multiple sclerosis. Interferon is not a cure for multiple sclerosis, but it may help to decrease the number of attacks of weakness and slow the worsening of the disease.

This medication is the same as a protein that your body naturally produces (interferon). In the body, it is thought to work by affecting the body's natural defenses (immune system) in many ways. Adding more interferon may help your body fight the effects of multiple sclerosis.


Avonex and Betaseron Have 16 Life Threatening (Major) Side Effects in Common
 
Critical Seriousness - Chills is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Head Pain - Headache Disorder is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Trouble Breathing - Dyspnea is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Abnormal Liver Function Tests - Abnormal Hepatic Function Tests is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Decreased White Blood Cells - Leukopenia is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Depression is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Flu-Like Symptoms is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Muscle Pain - Myalgia is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Seizures - Seizure Disorder is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Fever is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Signs and Symptoms at Injection Site - Injection Site Sequelae is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Hives - Urticaria is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Dead Skin - Dermal Necrosis is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Stomach Cramps - Abdominal Pain with Cramps is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Having Thoughts of Suicide - Suicidal Ideation is a Life Threatening Side Effect of both Avonex and Betaseron.
Critical Seriousness - Swollen Lymph Nodes - Lymphadenopathy is a Life Threatening Side Effect of both Avonex and Betaseron.
Click for a searchable interactive map of all Life Threatening Side Effects associated with Avonex and Betaseron.

Avonex Has 36 Life Threatening (Major) Side Effects Not Found in Betaseron
 
Critical Seriousness - Earache is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Anemia is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Itching - Pruritus of Skin is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Dizzy - Dizziness is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Feel Like Throwing Up - Nausea is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Difficulty Swallowing - Dysphagia is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Shingles - Herpes Zoster is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Infection is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Decreased Blood Platelets - Thrombocytopenic Disorder is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Hearing Loss is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Loss of Appetite - Anorexia is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Allergic Reaction caused by a Drug - Hypersensitivity Drug Reactions is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Feeling Weak - General Weakness is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Inflammation or Infection of Vagina - Vaginitis is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Feeling Faint - Fainting is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - High Amount of Bilirubin in the Blood - Hyperbilirubinemia is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Ovarian Cyst is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Joint Pain - Arthralgia is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Muscle Spasm is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Widening of Blood Vessels - Vasodilation of Blood Vessels is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Acute Infection of the Nose, Throat or Sinus - Upper Respiratory Infection is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Acute Liver Failure - Acute Hepatic Failure is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Difficulty Speaking - Dysarthria is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Diarrhea is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Accumulation of Fluid in the Tissues of the Eyelid - Eyelid Edema is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Dry Eye is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Skin Condition - Disorder of Skin is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Uncoordinated - Ataxia is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Puffy Face from Water Retention - Facial Edema is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Chest Pain is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Herpes Simplex Infection is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Sinus Irritation and Congestion - Sinusitis is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Liver Problems - Disease of Liver is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Rash - Skin Rash is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Wheezing is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Cough is a Life Threatening Side Effect of Avonex but not Betaseron.
Click for a searchable interactive map of all Life Threatening Side Effects associated with Avonex and Betaseron.

Betaseron Has 15 Life Threatening (Major) Side Effects Not Found in Avonex
 
Critical Seriousness - Life Threatening Allergic Reaction - Anaphylaxis is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Confused - Impaired Cognition is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Weight Gain is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Decreased Neutrophils a Type of White Blood Cell - Neutropenic Disorder is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Hemorrhage is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - High Blood Pressure - Hypertension is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Hepatitis is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Decreased Number of Lymphocytes in the Blood - Lymphopenia is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Not Feeling Well - Malaise is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Abnormal Increase in Muscle Tone - Hypertonia is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Excessive Sweating - Hyperhidrosis is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Visible Water Retention - Edema is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Weight Loss is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Needing to Urinate Immediately - Urinary Urgency is a Life Threatening Side Effect of Avonex but not Betaseron.
Critical Seriousness - Tissue Death - Tissue Necrosis is a Life Threatening Side Effect of Avonex but not Betaseron.
Click for a searchable interactive map of all Life Threatening Side Effects associated with Avonex and Betaseron.

Avonex and Betaseron Have 6 Most Frequently Occurring Side Effects in Common
 
Chills is a Frequently Occurring Side Effect of both Avonex and Betaseron.
Head Pain - Headache Disorder is a Frequently Occurring Side Effect of both Avonex and Betaseron.
Decreased White Blood Cells - Leukopenia is a Frequently Occurring Side Effect of both Avonex and Betaseron.
Flu-Like Symptoms is a Frequently Occurring Side Effect of both Avonex and Betaseron.
Muscle Pain - Myalgia is a Frequently Occurring Side Effect of both Avonex and Betaseron.
Fever is a Frequently Occurring Side Effect of both Avonex and Betaseron.
Click for a searchable interactive map of all Side Effects associated with Avonex and Betaseron.

Avonex Has 7 Most Frequently Occurring Side Effects Not Found in Betaseron
 
Anemia is a Frequently Occurring Side Effect of Avonex but not Betaseron.
Feel Like Throwing Up - Nausea is a Frequently Occurring Side Effect of Avonex but not Betaseron.
Infection is a Frequently Occurring Side Effect of Avonex but not Betaseron.
Feeling Weak - General Weakness is a Frequently Occurring Side Effect of Avonex but not Betaseron.
Joint Pain - Arthralgia is a Frequently Occurring Side Effect of Avonex but not Betaseron.
Diarrhea is a Frequently Occurring Side Effect of Avonex but not Betaseron.
Indigestion - Dyspepsia is a Frequently Occurring Side Effect of Avonex but not Betaseron.
Click for a searchable interactive map of all Side Effects associated with Avonex and Betaseron.

Betaseron Has 11 Most Frequently Occurring Side Effects Not Found in Betaseron
 
Pain is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Decreased Neutrophils a Type of White Blood Cell - Neutropenic Disorder is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Feeling Weak - General Weakness is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Chronic Trouble Sleeping - Insomnia is a Frequently Occurring Side Effect of Betaseron but not Avonex.
High Blood Pressure - Hypertension is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Signs and Symptoms at Injection Site - Injection Site Sequelae is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Excessive Sweating - Hyperhidrosis is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Chest Pain is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Stomach Cramps - Abdominal Pain with Cramps is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Rash - Skin Rash is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Tissue Death - Tissue Necrosis is a Frequently Occurring Side Effect of Betaseron but not Avonex.
Click for a searchable interactive map of all Side Effects associated with Avonex and Betaseron.

Avonex and Betaseron Treat 8 Conditions in Common
 
Multiple Sclerosis Symptoms Return then Become Less Severe - Relapsing and Remitting Multiple Sclerosis is treated by both Avonex and Betaseron.
Multiple Sclerosis is treated by both Avonex and Betaseron.

Avonex has 17 Condition Contraindications
 
If you have any of these Conditions then you should carefully evaluate the risks of taking Avonex.

Avonex Intramuscular Contraindications
(grouped by decreasing seriousness level)

Absolute Contraindications 

Jaundice - Yellowing of Skin or Eyes from Liver Problems is a contraindication of Avonex.

Pregnancy is a contraindication of Avonex.

Relative Contraindications 

Abnormal Hepatic Function Tests - Abnormal Liver Function Tests is a contraindication of Avonex.

Alcoholism - Habit of Drinking Too Much Alcohol is a contraindication of Avonex.

Bone Marrow Depression - Decreased Function of Bone Marrow is a contraindication of Avonex.

Depression is a contraindication of Avonex.

Disease of Liver - Liver Problems is a contraindication of Avonex.

Leukopenia - Decreased White Blood Cells is a contraindication of Avonex.

Neutropenic Disorder - Decreased Neutrophils a Type of White Blood Cell is a contraindication of Avonex.

Psychiatric Disturbance - Mental Disturbance is a contraindication of Avonex.

Seizure Disorder - Seizures is a contraindication of Avonex.

Severe Anemia is a contraindication of Avonex.

Suicidal Ideation - Having Thoughts of Suicide is a contraindication of Avonex.

Thrombocytopenic Disorder - Decreased Blood Platelets is a contraindication of Avonex.

Contraindication Warnings 

Disorder of Thyroid Gland - Thyroid Problems is a contraindication of Avonex.

Hyperthyroidism - Overactive Thyroid Gland is a contraindication of Avonex.

Hypothyroidism - Underactive Thyroid is a contraindication of Avonex.

Betaseron has 11 Condition Contraindications
 
If you have any of these Conditions then you should carefully evaluate the risks of taking Betaseron.

Betaseron Subcutaneous Contraindications
(grouped by decreasing seriouosness level)

Absolute Contraindications 

Pregnancy is a contraindication of Betaseron.

Relative Contraindications 

Depression is a contraindication of Betaseron.

Disease of Liver - Liver Problems is a contraindication of Betaseron.

Psychiatric Disturbance - Mental Disturbance is a contraindication of Betaseron.

Suicidal Ideation - Having Thoughts of Suicide is a contraindication of Betaseron.

Contraindication Warnings 

Abnormal Hepatic Function Tests - Abnormal Liver Function Tests is a contraindication of Betaseron.

Hyperthyroidism - Overactive Thyroid Gland is a contraindication of Betaseron.

Hypothyroidism - Underactive Thyroid is a contraindication of Betaseron.

Leukopenia - Decreased White Blood Cells is a contraindication of Betaseron.

Neutropenic Disorder - Decreased Neutrophils a Type of White Blood Cell is a contraindication of Betaseron.

Thrombocytopenic Disorder - Decreased Blood Platelets is a contraindication of Betaseron.
Avonex - Symptoms of overdose may include
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.

Betaseron - Symptoms of overdose may include
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canada residents can call a provincial poison control center.

Contact poison control
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.

IMPORTANT NOTICE: The drug information contained in this application is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not exhaustive and is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express terms of use. By continuing to view the drug information on this site, you agree to abide by such terms of use.
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