Phenpromethamine is a type of stimulant that is found in some supplement products. Stimulants can increase blood pressure and heart rate and cause heart problems.

Phenpromethamine is used to increase energy, improve athletic performance, for weight loss, and for other uses, but there is no good scientific evidence to support its use. It might also be unsafe.

Uses & Effectiveness ?

Insufficient Evidence for

  • Athletic performance.
  • Muscle damage caused by exercise.
  • Obesity.
  • Other conditions.
More evidence is needed to rate phenpromethamine for these uses

Side Effects

When taken by mouth: Phenpromethamine is POSSIBLY UNSAFE for most people when taken by mouth. Side effects include heart attack, stroke, and others.

Special Precautions and Warnings

When taken by mouth: Phenpromethamine is POSSIBLY UNSAFE for most people when taken by mouth. Side effects include heart attack, stroke, and others. Pregnancy and breast-feeding: Phenpromethamine is POSSIBLY UNSAFE when pregnant or breast-feeding. Avoid using.

Interactions ?

    Moderate Interaction

    Be cautious with this combination

  • Stimulant drugs interacts with PHENPROMETHAMINE

    Stimulant drugs speed up the nervous system. By speeding up the nervous system, stimulant medications can make you feel jittery and speed up your heartbeat. Phenpromethamine might also speed up the nervous system. In theory, taking phenpromethamine along with stimulant drugs might cause serious problems including increased heart rate and high blood pressure.


The appropriate dose of phenpromethamine depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for phenpromethamine. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.
View References

CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
© Therapeutic Research Faculty 2020.