Drinking coffee along with medications can cause problems – what medications you interact with

Taking these antibiotics along with coffee can cause headaches and increase heart rate.

Taking these antibiotics along with coffee can cause headaches and increase heart rate.

Photo: Karolina Grabowska / Pexels

Coffee is a stimulating drink that is healthy and has beneficial effects when taken in moderation and without sugar. However, taking your medicines with coffee or consuming them shortly after your caffeinated drink can have negative effects.

Coffee has hundreds of biologically active compounds including caffeine, flavonoids, lignans and other polyphenols. Caffeine acts by stimulating the central nervous system, heart and muscles.

In some cases, mix coffee with medicines it can affect the absorption of medicines and cause effects that in some cases can be serious.

Among the drugs with which it interacts are stimulants of the nervous system, treatments for osteoporosis, mood, schizophrenia, antibiotics, contraceptives, diabetes, alcoholism, hypertension and other heart treatments.

To avoid interactions, leave a few hours between your coffee and your medications.

Medicines with which coffee interacts

1. Ephedrine | Decongestant and bronchodilator

Drinking coffee and taking ephedrine can cause too much stimulation and sometimes, serious side effects and heart problems, According to the health magazine WebMD.

Caffeine in coffee and ephedrine are stimulant drugs that speed up the nervous system. Drugs explains that ephedrine is a decongestant and bronchodilator. It works by reducing swelling and contracting the blood vessels in the nostrils and widening the airways of the lungs, allowing you to breathe more easily.

2. Stimulating drugs

Stimulant medications in combination with coffee can cause increased heart rate and high blood pressure. Some stimulant medications include diethylpropion (Tenuate), epinephrine, phentermine (Ionamin), pseudoephedrine (Sudafed) and many others.

3. Adenosine | Relaxes and dilates blood vessels

Caffeine can block the effects of adenosine. Adenosine is used to help restore normal heartbeat in people with certain heart rhythm disorders. Relaxes and dilates blood vessels. It is recommended not to drink coffee for at least 24 hours before a heart stress test.

4. Alendronate (Fosamax) | Treatment for osteoporosis

Coffee can decrease the absorption of alendronate in the body. It is suggested not to drink coffee within two hours of taking the medicine. Alendronate is used to treat osteoporosis caused by menopause, steroid use, or gonadal failure.

5. Antibiotics

Taking antibiotics along with coffee can cause nervousness, headaches, increased heart rate and other side effects as these medications increase the speed with which the body breaks down caffeine.

6. Clozapine (Clozaril) | Treatment for schizophrenia

Coffee may increase the effects and side effects of clozapine. Clozapine is an antipsychotic drug. It is used to treat schizophrenia. Also to reduce the risk of suicidal behavior in people with schizophrenia or similar disorders.

7. Dipyridamole (Persantine) | It prevents the formation of blood clots

Caffeine in coffee could block the effects of dipyridamole. Oral dipyridamole is used to prevent the formation of blood clots after heart valve replacement surgery. Also as part of a cardiac stress test.

8. Disulfiram (Antabuse) | Treatment for alcoholism

Disulfiram (Antabuse) can cause nervousness, hyperactivity, irritability and other caffeine side effects. Disulfiram is used as part of treatment in people with chronic alcoholism. It is a drug with unpleasant side effects when combined with alcohol in the body.

9. Estrogens

Estrogens can amplify the negative effects of caffeine, causing nervousness, hyperactivity and irritability.

10. Fluvoxamine (Luvox) | Treatment for OCD

Fluvoxamine is used to treat the symptoms of obsessive compulsive disorder. The drug may increase the effects of caffeine.

11. Liti | Mood stabilizer

Caffeine can increase how quickly the body removes lithium. Lithium is a mood stabilizer used to treat or control manic episodes of bipolar disorder.

12. Medications for depression

Combining medications for depression and coffee can increase stimulation and cause serious side effects, such as rapid heartbeat, high blood pressure, nervousness, and others.

According to WebMD, other drugs with which coffee may have a moderate interaction are pentobarbital (Nembutal); phenothiazines, include flufenazine (Permitil, Prolixin), chlorpromazine (Thorazine), haloperidol (Haldol), proclorperazine (Compazine), thioridazine (Mellaril) and trifluoperazine (Stelazine); phenylpropanolamine; riluzole (Rilutek); theophylline; verapamil (Calan, Covera, Isoptin, Verelan); levothyroxine (Synthroid, Levothroid, Levoxyl and others); birth control pills; cimetidine (Tagamet); fluconazole (Diflucan); diabetes medications such as glimepiride (Amaryl), glyburide (DiaBeta, Glynase PresTab, Micronase), insulin, pioglitazone, rosiglitazone (Avandia), chlorpropamide (Diabinese), glipizide (Glucotrol), tolbutamide (Orinase), among others; Mexiletine (Mexitil); and terbinafine.

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