Prenolol (annat namn Tenormin)

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

diabetes

heart or vessel disease like slow heart rate, worsening heart failure, heart block, sick sinus syndrome or Raynaud's disease

kidney disease

lung or breathing disease, like asthma or emphysema

pheochromocytoma

thyroid disease

an unusual or allergic reaction to atenolol, other beta-blockers, medicines, foods, dyes, or preservatives

pregnant or trying to get pregnant

breast-feeding

How should I use this medicine?

Take this medicine by mouth with a drink of water. Follow the directions on the prescription label. This medicine may be taken with or without food. Take your medicine at regular intervals. Do not take more medicine than directed. Do not stop taking this medicine suddenly. This could lead to serious heart-related effects.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is less than four hours to your next dose, take only that dose and skip the missed dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:

sotalol

This medicine may also interact with the following medications:

clonidine

digoxin

diuretics

dobutamine

epinephrine

soproterenol

medicine for blood pressure like amlodipine, diltiazem, verapamil

NSAIDs, medicines for pain and inflammation, like ibuprofen or naproxen

reserpine

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular check ups. Check your blood pressure and pulse rate regularly. Ask your health care professional what your blood pressure and pulse rate should be, and when you should contact him or her.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
This medicine can affect blood sugar levels. If you have diabetes, check with your doctor or health care professional before you change your diet or the dose of your diabetic medicine.
Do not treat yourself for coughs, colds, or pain while you are taking this medicine without asking your doctor or health care professional for advice. Some ingredients may increase your blood pressure.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

breathing problems

changes in vision

chest pain

cold, tingling, or numb hands or feet

depression

fast, irregular heartbeat

feeling faint or lightheaded, falls

fever with sore throat

rapid weight gain

swollen ankles, legs

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

anxiety, nervous

diarrhea

dry skin

change in sex drive or performance

headache

nightmares or trouble sleeping

short term memory loss

stomach upset

unusually tired

Where should I keep my medicine?

Keep out of the reach of children.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Close tightly and protect from light. Throw away any unused medicine after the expiration date.