What is it?
5-HTP is a supplement used to treat depression, anxiety, insomnia (cannot sleep or remain asleep), obesity, and other eating problems. It may also be used to treat headaches, pain, or behavior problems.
Other names for 5-HTP include: 5-hydroxytryptophan, L-5-HTP, and oxitriptan.
Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.
Tell your doctor if you
- are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
- are pregnant or plan to become pregnant while using this medicine
- are breast feeding
- have other health problems, such as high blood pressure or heart or blood vessel disease
- are taking SSRI (selective serotonin reuptake inhibitor) or MAOI (monoamine oxidase inhibitor) anti-depression medicine
Talk with your caregiver about how much 5-HTP you should take. The amount depends on the strength of the medicine and the reason you are taking 5-HTP. If you are using this medicine without instructions from your caregiver, follow the directions on the label. Do not take more 5-HTP or take it more often than what is written on the directions.
To store this medicine:
Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.
Drug and Food Interactions:
Do not take 5-HTP without talking to your doctor first if you are taking:
- Medicine for depression (examples: sertraline (Zoloft(R)), paroxetine (Paxil(R)), fluoxetine (Prozac(R)), citalopram (Celexa(R)), isocarboxazid (Marplan(R)), selegiline (Eldepryl(R)), tranylcypromine (Parnate(R)))
- Medicine used to treat Parkinson's Disease (examples: carbidopa (Parcopa(TM), Sinemet(R)))
- Before taking 5-HTP, tell your doctor if you are taking SSRI (selective serotonin reuptake inhibitor) or MAOI (monoamine oxidase inhibitor) anti-depression medicine
Stop taking your medicine right away and talk to your doctor if you have any of the following side effects.
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing, or rash.
Other Side Effects: You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.
- Nausea (upset stomach), vomiting (throwing up), diarrhea (loose stools)
- Headache, walking problems, feeling calm, restless, or anxious
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Last Updated: 1/4/2010