Find & Manage Your Patient Assistance Programs
Estimated patient savings $600,000,000.00
Ethaverine HCl oral

Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.



COMMON BRAND NAME(S): Ethatab, Ethavex


This medication helps to widen blood vessels improving blood flow through the body. It is used in the treatment of blood vessel disorders and to improve circulation.

How To Use

Take this medication by mouth as prescribed, usually three times a day. Be sure to follow the dosing instructions closely. Do not increase your dose or stop taking this without first consulting your doctor. This medication may be taken with food or milk if stomach upset occurs.

Side Effects

Nausea, stomach upset, loss of appetite, diarrhea, flushing, sweating, headache, drowsiness, tiredness, dizziness or rash may occur the first several days as your body adjusts to the medication. If any of these effects continue or become bothersome, inform your doctor. To avoid dizziness and lightheadedness when rising from a seated or lying position, get up slowly. Notify your doctor if you experience: slow/irregular heartbeat, unusual weakness, breathing trouble, vision changes. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor if you have: other illnesses, glaucoma, allergies (especially drug allergies). Use caution performing tasks requiring alertness if this medication causes you to feel drowsy or dizzy. Limit your intake of alcoholic beverages. This medication should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Since small amounts of this medication are found in breast milk, consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of all over-the-counter or prescription medication you may take. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately.


The effectiveness of this medication in certain conditions has been questioned. Discuss the risks and benefits of this therapy with your doctor.

Missed Dose

If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.


Store at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light. Do not store in the bathroom.