What Is Damiana and How Does It Work?
Damiana suggested uses include for headache, bedwetting, depression, nervous indigestion (dyspepsia), atonic constipation, for prophylaxis and treatment of sexual disturbances, strengthening and stimulation during exertion, boosting and maintaining mental and physical capacity, and as an aphrodisiac.
There is insufficient reliable information to rate the efficacy of damiana.
Damiana is available under the following different brand and other names: Mexican damiana, Turnera aphrodisiaca, and Turnera diffusa.
What Are Side Effects Associated with Using Damiana?
Side effects of Damiana include:
- Insomnia (excessive doses)
- Headache (excessive doses)
- Convulsions (reported after taking 200 grams of damiana extract)
- Possible effect on blood sugar levels
This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.
What Other Drugs Interact with Damiana?
If your doctor has directed you to use this medication, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider or pharmacist first.
- Damiana has no known severe interactions with other drugs.
- Damiana has no known serious interactions with other drugs.
- Damiana has no known moderate interactions with other drugs.
- Damiana has mild interactions with at least 25 different drugs.
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist. Check with your physician if you have health questions or concerns.
What Are Warnings and Precautions for Damiana ( Vasostrict, ADH)?
Warnings
- This medication contains damiana. Do not take Mexican damiana, Turnera aphrodisiaca, or Turnera diffusa if you are allergic to damiana or any ingredients contained in this drug.
- Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center immediately.
Contraindications
- None
Effects of Drug Abuse
- No information available
Short-Term Effects
- See "What Are Side Effects Associated with Using Damiana?"
Long-Term Effects
- See "What Are Side Effects Associated with Using Damiana?"
Cautions
- Excessive doses may cause insomnia and headache
Pregnancy and Lactation
- There are no harmful effects known regarding use of damiana during pregnancy or while breastfeeding. Consult your doctor.
From 
Medscape. Damiana.
https://reference.medscape.com/drug/mexican-damiana-turnera-aphrodisiaca-damiana-344562
RXlist. Damiana.
https://cnes.jsintl.com.cn/?blood=damiana-page2/supplements.htm