Phen-Fen Side Effects

Calculating the side effects of phen-fen is like playing billiards with two cue balls: They're unpredictable. For this reason, a doctor's supervision is essential.

Although the most common complaint is dry mouth, the following adverse reactions have been reported:

drowsiness   agitation   burning sensations   dizziness   assaultiveness   chills   insomnia   hallucinations   fever   confusion   vivid dreams   chest pain  incoordination   impaired speech   blurred vision   eye irritation   difficulty breathing   changes in libido   changes in taste   euphoria   depression   anxiety   tension   nervousness   restlessness   psychosis   rash   headache   constipation   weakness or fatigue   fainting   nausea   vomiting   diarrhea   abdominal cramps   sweating   increased urinary frequency   palpitations   tachycardia   hypotension   circulatory collapse   hypertension   pulmonary hypertension(potentially fatal)   cardiac arrest   intense psychological dependence   severe social dysfunction

Phen-fen can also impair a person's ability to engage in potentially hazardous activities such as operating machinery or driving a motor vehicle.

People who shouldn't used phen-fen include patients with a history of drug abuse, alcoholism, agitated states, migraine headaches, advanced arteriosclerosis, symptomatic cardiovascular disease, moderate to severe hypertension, hyperthyroidism, glaucoma or a known hypersensitivity to the sympathomimetic amines. Safe use during pregnancy hasn't been established. Phen-fen shouldn't be used in conjunction with migraine-headache medication, or during or within 14 days following the administration of monoamine oxidize inhibitors (including Prozac and Zoloft) .