Medically reviewed by Drugs.com. Last updated on May 29, 2023.
The usual dosage of TRENTAL in extended-release tablet form is one tablet (400 mg) three times a day with meals.
While the effect of TRENTAL may be seen within 2 to 4 weeks, it is recommended that treatment be continued for at least 8 weeks. Efficacy has been demonstrated in double-blind clinical studies of 6 months duration.
Digestive and central nervous system side effects are dose related. If patients develop these effects it is recommended that the dosage be lowered to one tablet twice a day (800 mg/day). If side effects persist at this lower dosage, the administration of TRENTAL should be discontinued.
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