Bontril SR Side Effects

Please note - some side effects for Bontril SR may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Side Effects of Bontril SR - for the Consumer

Bontril SR 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 Bontril SR 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

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Side Effects by Body System - for Healthcare Professionals

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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