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Is weight gain a side effect of Lovaza?

Responses (1)

Inactive 1 Jan 2013

No, weight gain is not listed as a possible side effect and it has not been reported either.

Some side effects of Lovaza may not be reported. Always consult your doctor or health care specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to omega-3 polyunsaturated fatty acids: oral capsule, oral delayed release capsule, oral liquid

Get emergency medical help if you have any of these signs of an allergic reaction while taking omega-3 polyunsaturated fatty acids (the active ingredient contained in Lovaza) hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have any of these serious side effects:

fever, chills, body aches, flu symptoms;
chest pain; or
uneven heartbeats.
Less serious side effects of omega-3 polyunsaturated fatty acids may include:

back pain;
unusual or unpleasant taste in your mouth;
upset stomach, belching; or
mild skin rash.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For health care Professionals

Applies to omega-3 polyunsaturated fatty acids: oral capsule, oral delayed release capsule, oral liquid

Gastrointestinal side effects including eructation (4.9%), dyspepsia (3.1%), anorexia, constipation, dry mouth, dysphagia, colitis, fecal incontinence, gastritis, gastroenteritis, gastrointestinal disorder, increased appetite, intestinal obstruction, melena, pancreatitis, tenesmus, and vomiting have been reported.

General side effects including infection (4.4%), flu syndrome (3.5%), back pain (2.2%), pain (1.8%), enlarged abdomen, asthenia, body odor, chest pains, chills, suicide, fever, generalized edema, fungal infection, malaise, neck pain, sudden death, and viral infection have been reported.

Other side effects including taste perversion (2.7%) and lymphadenopathy have been reported.

Dermatologic side effects including rashes (1.8%), alopecia, eczema, pruritus, and sweating have been reported.

One study concluded that omega-3 fatty acid supplementation reduced heart rate and QRS duration in heart transplant recipients who were presumably devoid of vagal intervention. These findings suggest that omega-3 fatty acids may modify the electrophysiologic properties of the myocardium itself.

Cardiovascular side effects including angina pectoris (1.3%), arrhythmia, bypass surgery, cardiac arrest, hyperlipidemia, hypertension, migraine, myocardial infarct, myocardial ischemia, occlusion, peripheral vascular disorder, syncope, and tachycardia have been reported.

Musculoskeletal side effects including rheumatoid arthritis, arthralgia, arthritis, myalgia, pathological fracture, and tendon disorder have been reported.

Metabolic side effects including edema, hyperglycemia, increased ALT and increased AST have been reported.

Nervous system
Nervous system side effects including depression, dizziness, emotional lability, facial paralysis, insomnia, vasodilation, and vertigo have been reported.

Respiratory side effects including asthma, bronchitis, increased cough, dyspnea, epistaxis, laryngitis, pharyngitis, pneumonia, rhinitis, and sinusitis have been reported.

Genitourinary side effects including cervical disorder, endometrial carcinoma, epididymitis, and impotence have been reported.

Hypersensitivity side effects including anaphylactic reaction have been reported.

Oncologic side effects including neoplasm and central nervous system neoplasia have been reported.

Ocular side effects including cataract have been reported.

Hematologic side effects including hemorrhagic diathesis have been reported.

Inactive 1 Jan 2013

(almost forgot my manners)

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