Phendimetrazine Side Effects

Please note - some side effects for Phendimetrazine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of Phendimetrazine - for the Consumer

Phendimetrazine

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Phendimetrazine:

Agitation; blurred vision; constipation; diarrhea; dizziness; dry mouth; flushing; headache; nausea; nervousness; overstimulation; restlessness; trouble sleeping.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); changes in sex drive; fast or irregular heartbeat; frequent urination or trouble urinating; hallucinations; seizures; severe headache or dizziness; stomach pain; sweating; tremor; unusual behavior or personality changes.

Phendimetrazine Sustained-Release Capsules

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Phendimetrazine Sustained-Release Capsules:

Agitation; blurred vision; constipation; diarrhea; dizziness; dry mouth; flushing; headache; nausea; nervousness; overstimulation; restlessness; trouble sleeping

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); changes in sex drive; fast or irregular heartbeat; frequent urination or trouble urinating; hallucinations; seizures; severe headache or dizziness; stomach pain; sweating; tremor; unusual behavior or personality changes

Phendimetrazine Side Effects - for the Professional

Phendimetrazine

Cardiovascular

Palpitation, tachycardia, elevated blood pressure.

Valvular heart disease associated with the use of some anorectic agents such as fenfluramine and dexfenfluramine, both independently and especially when used in combination with other anorectic drugs, have been reported. However, no case of this valvulopathy has been reported when Phendimetrazine tartrate has been used alone.

Central Nervous System

Overstimulation, restlessness, insomnia, agitation, flushing, tremor, sweating, dizziness, headache, psychotic state, blurring of vision.

Gastrointestinal

Dryness of the mouth, nausea, diarrhea, constipation, stomach pain.

Genitourinary

Urinary frequency, dysuria, changes in libido.

Side Effects by Body System

Cardiovascular

Cardiovascular side effects including palpitation, tachycardia, and elevation of blood pressure have been reported. A case of dilated cardiomyopathy has been associated with chronic use of phendimetrazine.

Nervous system

Nervous system side effects including overstimulation, restlessness, dizziness, insomnia, tremor, and headache have been reported. Psychotic episodes (at recommended doses), agitation, flushing, and sweating have been reported rarely.

Gastrointestinal

Gastrointestinal side effects including dryness of mouth, diarrhea, constipation, nausea, and stomach pain have been reported.

Genitourinary

Genitourinary side effects including changes in libido, urinary frequency, and dysuria have been reported.

Ocular

Ocular side effects including blurring of vision have been reported.

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