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Atenolol and chlorthalidone

Generic name: atenolol and chlorthalidone [a-TEN-oh-lole-and-klor-THAL-i-done]
The brand names are: Tenoretic, Tenoretic 50, and Tenoretic 100.
Dosage format: oral tablet (100 mg–25 mg, 50 mg–25 mg)
Classification of drugs: beta blockers with the thiazides

What is Atenolol and chlorthalidone?

Atenolol It is a beta-blocker. Chlorthalidone can be described as a thiazide diuretic (water tablet).Atenolol and Chthalidone is a combination medication that is used for treating hypertension (high blood pressure). Lowering blood pressure could lower the chance of having a stroke or heart attack.Chlorthalidone and atenolol may be used to treat conditions not covered in this guide.

Side effects of Atenolol and chlorthalidone

Contact a medical professional immediately. If you are experiencing symptoms or warning signs of an allergic response, like hives, trouble breathing, or swelling of your lips, face, and tongue,

Atenolol and chlorthalidone can result in serious side effects. Contact your physician immediately in the following instances:

  • New or progressively worsening chest pain that isn't getting better or worse;
  • Heartbeats that are irregular or slow
  • A lightheaded sensation, similar to when you're about to pass out.
  • Breathlessness (even when exerting only a little), swelling rapidly, and gaining weight;
  • Cold sensation in your feet and hands;
  • Jaundice (yellowing of the eyes or skin);
  • Low sodium levels low sodium level, headache, confusion, speech slurred, extreme weakness, vomiting, inability to move, and feeling unstable;
  • Low potassium level: leg cramps, constipation irregular heartbeats, an increase in chest temperature, more frequent urination, or thirst Numbness, tingling, muscular weakness, or a feeling of limpness

Common adverse effects of atenolol or chlorthalidone could be:

  • Slow heartbeats;
  • Being tired or weak;
  • Dizziness, drowsiness;
  • Tingling or numbness
  • Pale skin, bruising, or bleeding;
  • Depression
  • An upset stomach and loss of appetite constipation and an upset stomach.

This isn't an exhaustive list of possible side effects, and others could happen. Consult your physician for advice regarding medical effects. You can report any adverse reactions to the FDA at 1-800-FDA-1088.


You shouldn't make use of chlorthalidone and atenolol when you suffer from a serious heart condition, such as angina or a low heart rate, if you are not able to urinate, or if you're allergic to the sulfa medications.Do not take chlorthalidone and atenolol if you are expecting. It could harm the unborn baby.

Prior to using this drug

This medication if you are allergic to chlorthalidone or atenolol or if you suffer from

  • A serious heart problem like "AV block" (second or third degree);
  • Very slow heartbeats
  • Heart failure;
  • If you're not able to urinate
  • If you're sensitive to sulfa-containing drugs,

Speak to your doctor if you were ever diagnosed with:

  • Congestive heart failure;
  • Coronary arterial disorder (hardened coronary arteries);
  • Angina (chest pain);
  • Asthma, bronchitis, or any other lung disorders;
  • Diabetes;
  • A thyroid or parathyroid condition;
  • Kidney or liver disease;
  • Pheochromocytoma (a tumour in the adrenal gland);
  • Gout;
  • Lupus;
  • Peripheral cardiovascular disease like Raynaud's disease;
  • Psoriasis;
  • A deficiency in electrolytes (such as, for example, low potassium levels in your blood) an electrolyte imbalance (such as low levels of potassium in your blood)
  • Allergies (or allergies if you're undergoing allergies, treatment, or skin testing).

Inform your doctor if you are expecting or becoming pregnant. Taking chlorthalidone and atenolol in the third or second trimester of pregnancy can result in the baby being born with a low birth weight, slower heartbeats, or lower blood sugar levels.It might not be safe to breastfeed while taking this medication. Discuss with your doctor any potential risks. If you are breastfeeding, tell your doctor when you experience signs of weakening, unusual hunger or fussiness, or sweating in your nursing baby.

How do I take Atenolol and chlorthalidone?

Follow the directions on the prescription label and review all medication guides and instructions. The doctor might alter your dosage. Make sure you take the medicine precisely as directed.Your blood pressure is likely to be monitored regularly, and you could require additional tests for medical reasons.Drink plenty of fluids throughout the day when you take atenolol and chlorthalidone.Use this medication according to instructions, regardless of whether you are feeling well. A high blood pressure can have no signs. It could be necessary to take medication for blood pressure throughout your life.Your medical condition could require the use of an array of medications. Take all medications as instructed by your physician. Review the medication guideline or patient's directions that are included with every medication. Do not alter your dosage or your medication schedule without the advice of your doctor.If you are in need of surgery, inform the doctor ahead of time that you're using atenolol or chlorthalidone. You might have to stop taking the medication for a brief period of time.This medication can alter the outcomes of certain medical tests. Be sure to inform any doctor treating you that you're taking atenolol and chlorthalidone.You shouldn't stop taking atenolol or chlorthalidone in a hurry. The sudden stop could cause your condition to get worse.Certain things can trigger your blood pressure to become too low. This can include diarrhoea, vomiting diarrhoea, or sweating excessively. Consult your physician if you have a stomach ache or diarrhoea.If you decide to discontinue taking this medication, restrict your physical activity to avoid heart issues.Keep at room temperature, free of heat, moisture, and light.

Info on dosage

Usual Adult Dose for Hypertension:

Initial dosage: atenolol 50 mg and chlorthalidone 25 mg once orally every day.
Dosage for maintenance: atenolol 50 to 100 mg, orally 25 mg every day.
Treatment of hypertension when the fixed dose combination is an appropriate dose for the patient.

What happens if I miss the dose?

Do not take the medicine for as long as you are able, but do not take any missed doses if you are close to the time of the next dose. Do not take two doses at the same time.

What happens if I overdose?

Get medical attention in an emergency or contact the Poison Help Line toll-free at 1-800-222-1222.The symptoms of an overdose can be nausea, severe weakness, coughing, and chest tightness. difficulty breathing, slow heartbeats, swelling, and weight gain; rapid sensations of lightheadedness or feeling faint.

Aviod this

Be aware of the dangers of being dehydrated or hot when exercising, in hot weather, or simply by having a deficiency in fluid intake. Follow the instructions of your physician regarding the kind and quantity of fluids you must consume. In certain situations, drinking too much fluid could be as harmful as drinking too little.

Interaction with other drug

Inform your doctor about the medicines you are taking currently. A variety of drugs can affect atenolol and chlorthalidone. Specifically:

  • Digoxin, digitalis;
  • Indomethacin;
  • Insulin;
  • Lithium;
  • Any beta-blocker --bisoprolol, carvedilol, labetalol, metoprolol, nebivolol, propranololol sotalol and timolol among them-- is used as an anxiolytic medication;
  • Heart and blood pressure medications--amiodarone, clonidine, diltiazem, disopyramide, nicardipine/nifedipine/reserpine/verapamil and others.

This list isn't complete, and a variety of other medications could influence atenolol or chlorthalidone. These include over-the-counter and prescription medicines, vitamins, and herbal products.There are many possible interactions with drugs listed here.




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