Medically reviewed on July 13, 2017.
What is amlodipine and telmisartan?
Amlodipine is a calcium channel blocker. Amlodipine relaxes (widens) blood vessels and improves blood flow.
Telmisartan is an angiotensin II receptor antagonist. Telmisartan keeps blood vessels from narrowing, which lowers blood pressure and improves blood flow.
Amlodipine and telmisartan may also be used for purposes not listed in this medication guide.
Do not use this medicine if you are pregnant. It could harm the unborn baby. Stop using amlodipine and telmisartan and tell your doctor right away if you become pregnant.
Before taking this medicine
If you have diabetes, do not use amlodipine and telmisartan together with any medication that contains aliskiren (such as Tekturna, Tekamlo).
You may also need to avoid taking amlodipine and telmisartan with aliskiren if you have kidney disease.
To make sure amlodipine and telmisartan is safe for you, tell your doctor if you have:
kidney disease (or if you are on dialysis);
an electrolyte imbalance (such as low levels of potassium or magnesium in your blood); or
if you are on a low-salt diet.
Do not use if you are pregnant. If you become pregnant, stop taking this medicine and tell your doctor right away. Telmisartan can cause injury or death to the unborn baby if you take the medicine during your second or third trimester.
It is not known whether amlodipine and telmisartan passes into breast milk or if it could harm a nursing baby. You should not breast-feed while you are using this medication.
This medicine is not approved for use by anyone younger than 18 years old.
How should I take amlodipine and telmisartan?
Follow all directions on your prescription label. Your doctor may occasionally change your dose. Do not use this medicine in larger or smaller amounts or for longer than recommended.
You may take this medicine with or without food, at the same time each day.
Your blood pressure will need to be checked often. You may also need frequent blood tests.
Keep using this medicine as directed, even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medicine for the rest of your life.
Store at room temperature away from moisture and heat. Keep each tablet in the blister pack until you are ready to take one.
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking amlodipine and telmisartan?
Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.
Do not use potassium supplements or salt substitutes while you are taking amlodipine and telmisartan, unless your doctor has told you to.
Amlodipine and telmisartan side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
In rare cases, amlodipine and telmisartan can cause a condition that results in the breakdown of skeletal muscle tissue, leading to kidney failure. Call your doctor right away if you have: unexplained muscle pain, tenderness, or weakness especially if you also have fever, unusual tiredness, and dark colored urine.
Call your doctor at once if you have:
a light-headed feeling, like you might pass out;
shortness of breath (even with mild exertion), swelling, rapid weight gain;
new or worsened chest pain;
pounding heartbeats or fluttering in your chest;
tremors, muscle stiffness or twitching; or
high potassium--nausea, slow or unusual heart rate, weakness, loss of movement.
Common side effects may include:
swelling in your hands or feet;
fast or pounding heartbeats;
flushing (warmth, redness, or tingly feeling);
back pain; or
nausea, diarrhea, stomach pain.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect amlodipine and telmisartan?
Tell your doctor about all your current medicines and any you start or stop using, especially:
a diuretic or "water pill";
This list is not complete. Other drugs may interact with amlodipine and telmisartan, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Copyright 1996-2018 Cerner Multum, Inc. Version: 7.03.
More about Twynsta (amlodipine / telmisartan)
- Twynsta Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
- 7 Reviews – Add your own review/rating
- Generic Availability
- Drug class: angiotensin II inhibitors with calcium channel blockers