Melfiat Side Effects

Generic name: phendimetrazine

Medically reviewed by Drugs.com. Last updated on Nov 10, 2023.

Note: This document provides detailed information about Melfiat Side Effects associated with phendimetrazine. Some dosage forms listed on this page may not apply specifically to the brand name Melfiat.

Applies to phendimetrazine: oral capsule extended release, oral tablet.

Serious side effects of Melfiat

Along with its needed effects, phendimetrazine (the active ingredient contained in Melfiat) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking phendimetrazine:

Rare

• seeing, hearing, or feeling things that are not there
• severe mental changes

Incidence not known

• anxiety
• burning while urinating
• chest pain or discomfort
• decreased ability to exercise
• difficult or painful urination
• dizziness
• dry mouth
• fainting
• fast, irregular, pounding, or racing heartbeat or pulse
• feeling of warmth
• headache
• hyperventilation
• increased need to urinate
• irritability
• nausea
• numbness or tingling in the arms or legs
• pain or discomfort in the arms, jaw, back, or neck
• passing urine more often
• redness of the face, neck, arms, and occasionally, upper chest
• restlessness
• shakiness in the legs, arms, hands, or feet
• shortness of breath
• sweating
• swelling of the feet or lower legs
• trembling or shaking of the hands or feet
• trouble with breathing
• trouble with sleeping
• trouble with thinking, speaking, or walking
• vomiting
• weakness

Get emergency help immediately if any of the following symptoms of overdose occur while taking phendimetrazine:

Symptoms of overdose

• abdominal or stomach cramps
• blurred vision
• change in consciousness
• convulsions
• diarrhea
• discouragement
• dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
• fast, slow, or irregular heartbeat
• feeling sad or empty
• lack of appetite
• lightheadedness
• loss of consciousness
• loss of interest or pleasure
• overactive reflexes
• panic
• physical attempt to injure
• pounding in the ears
• rapid breathing
• sweating
• tiredness
• trouble with concentrating
• unusual tiredness or weakness
• violent actions

Other side effects of Melfiat

Some side effects of phendimetrazine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known

• decreased interest in sexual intercourse
• difficulty having a bowel movement (stool)
• inability to have or keep an erection
• increased in sexual ability, desire, drive, or performance
• increased interest in sexual intercourse
• loss in sexual ability, desire, drive, or performance
• sleeplessness
• stomach pain
• unable to sleep

For healthcare professionals

Applies to phendimetrazine: oral capsule extended release, oral tablet.

Cardiovascular

• Frequency not reported: Valvular heart disease, palpitation, tachycardia, elevated blood pressure, ischemic events, flushing^[Ref]

Respiratory

• Frequency not reported: Pulmonary hypertension^[Ref]

Psychiatric

• Frequency not reported: Psychotic state, insomnia, agitation, libido changes^[Ref]

Nervous system

• Frequency not reported: Overstimulation, restlessness, tremor, dizziness, headache^[Ref]

Gastrointestinal

• Frequency not reported: Dry mouth, nausea, stomach pain, diarrhea, constipation^[Ref]

Genitourinary

• Frequency not reported: Urinary frequency, dysuria^[Ref]

Ocular

• Frequency not reported: Blurred vision^[Ref]

Dermatologic

• Frequency not reported: Sweating^[Ref]

Further information

Melfiat side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

Medical Disclaimer