Donnatal Extentabs Side Effects

Please note - some side effects for Donnatal Extentabs may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Side Effects of Donnatal Extentabs - for the Consumer

Donnatal Extentabs Controlled-Release Tablets

All medicines may cause side effects, but many people have no, or minor side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Donnatal Extentabs Controlled-Release Tablets:

Bloated feeling; blurred vision; clumsiness; constipation; decreased sweating; dizziness; drowsiness; dry mouth; excessive daytime drowsiness ("hangover effect"); feeling of a whirling motion; headache; lightheadedness; nausea; nervousness; tired feeling; trouble sleeping.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); agitation; confusion; diarrhea; difficulty focusing eyes; disorientation; exaggerated feeling of well-being; excitement; fainting; fast or irregular heartbeat; hallucinations; loss of coordination; loss of taste; memory loss; muscle pain; pounding in the chest; severe or persistent trouble sleeping; trouble urinating; unusual weakness; very slow breathing; vision changes; vomiting.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Side Effects by Body System - for Healthcare Professionals

Gastrointestinal

Gastrointestinal side effects have included xerostomia, nausea, vomiting, constipation, and bloating.

Genitourinary

Genitourinary side effects have included urinary hesitancy, urinary retention, and impotence.

Cardiovascular

Cardiovascular side effects have included tachycardia and palpitation.

Ocular

Ocular side effects have included blurred vision, mydriasis, cycloplegia, and increased ocular tension.

Hypersensitivity

Hypersensitivity reactions have included severe allergic reactions, anaphylaxis, urticaria, and other dermal manifestations.

Endocrine

Endocrine side effects have included suppression of lactation.

Musculoskeletal

Musculoskeletal side effects have included musculoskeletal pain.

Nervous system

Nervous system side effects have included headache, excitement, and agitation.

Psychiatric

Psychiatric side effects have included excitement in some patients and sedation in other patients with use of phenobarbital. Abrupt withdrawal from phenobarbital may produce delirium or convulsions.

General

General side effects have included drowsiness, weakness, loss of taste sense, decreased sweating, and insomnia. Elderly patients may react with symptoms of excitement, agitation, drowsiness, and other untoward manifestations to even small doses of the drug.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date, and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This information does not endorse drugs, diagnose patients, or recommend therapy. This drug information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug of drug combination is safe, effective, or appropriate for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of information provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse, or pharmacist.