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Symax SR extended-release tablets
Generic Name: hyoscyamine (HYE-oh-SYE-a-meen)
Brand Name: Examples include Levbid and Symax SR
Symax SR extended-release tablets are used for:
Treating certain stomach, intestinal, and bladder conditions, including spasms. It is used to control stomach secretions and cramps. It is used to relieve the symptoms of colic, runny nose, and Parkinson-like problems. It is used to treat excessive sweating or saliva production. It may also be used for other conditions as determined by your doctor.
Symax SR extended-release tablets are an anticholinergic agent. It works by decreasing the motion of muscles in the stomach, intestines, and bladder. It also decreases the production of stomach acid.
Do NOT use Symax SR extended-release tablets if:
- you are allergic to any ingredient in Symax SR extended-release tablets
- you have severe esophagus problems (eg, irritation, narrowing); a blockage of the stomach, bowel, or bladder; bowel motility problems; or severe bowel problems (eg, severe ulcerative colitis, toxic megacolon)
- you have glaucoma, myasthenia gravis, or heart problems caused by severe bleeding
Contact your doctor or health care provider right away if any of these apply to you.
Before using Symax SR extended-release tablets:
Some medical conditions may interact with Symax SR extended-release tablets. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have nerve problems, prostate problems, esophagus problems (eg, reflux), stomach or bowel problems, heart or blood vessel problems (eg, fast or irregular heartbeat, heart failure, coronary heart disease), hiatal hernia, kidney problems, an overactive thyroid, high blood pressure, urinary problems, paralysis, or brain damage, or if you are at risk for glaucoma
- if you have diarrhea or fever, have been very ill, or are in poor health
Some MEDICINES MAY INTERACT with Symax SR extended-release tablets. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Amantadine, antihistamines (eg, diphenhydramine), haloperidol, monoamine oxidase inhibitors (MAOIs) (eg, phenelzine), other anticholinergics (eg, scopolamine), phenothiazines (eg, thioridazine), or tricyclic antidepressants (eg, amitriptyline) because they may increase the risk of Symax SR extended-release tablets's side effects
- Narcotic pain medicines (eg, codeine) or potassium chloride because the risk of their side effects may be increased by Symax SR extended-release tablets
- Ketoconazole or metoclopramide because their effectiveness may be decreased by Symax SR extended-release tablets
This may not be a complete list of all interactions that may occur. Ask your health care provider if Symax SR extended-release tablets may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Symax SR extended-release tablets:
Use Symax SR extended-release tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Symax SR extended-release tablets are usually taken 30 to 60 minutes before a meal. Follow your doctor's instructions for taking Symax SR extended-release tablets.
- Swallow Symax SR extended-release tablets whole. Do not break, crush, or chew before swallowing. Some brands of Symax SR extended-release tablets may be broken in half before taking. If you have trouble swallowing the whole tablet, ask your pharmacist if your brand of medicine may be broken in half.
- If you also take antacids, ask your doctor or pharmacist how to take them with Symax SR extended-release tablets.
- If you miss a dose of Symax SR extended-release tablets, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Symax SR extended-release tablets.
Important safety information:
- Symax SR extended-release tablets may cause drowsiness, dizziness, blurred vision, or lightheadedness. These effects may be worse if you take it with alcohol or certain medicines. Use Symax SR extended-release tablets with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Do not drink alcohol or use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Symax SR extended-release tablets; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
- Do NOT take more than the recommended dose or use for longer than prescribed without checking with your doctor.
- Do not become overheated or dehydrated in hot weather or while you are being active; heatstroke may occur.
- Drink plenty of fluids, maintain good oral hygiene, and suck on sugarless hard candy to relieve dry mouth.
- Proper dental care is important while you are taking Symax SR extended-release tablets. Brush and floss your teeth and visit the dentist regularly.
- Symax SR extended-release tablets may make your eyes more sensitive to sunlight. It may help to wear sunglasses.
- Tell your doctor or dentist that you take Symax SR extended-release tablets before you receive any medical or dental care, emergency care, or surgery.
- Use Symax SR extended-release tablets with caution in the ELDERLY; they may be more sensitive to its effects, especially constipation, trouble urinating, dry mouth, drowsiness, agitation, confusion, excitability, or memory problems.
- Caution is advised when using Symax SR extended-release tablets in CHILDREN; they may be more sensitive to its effects, including excitability.
- Symax SR extended-release tablets should be used with extreme caution in CHILDREN younger than 2 years old; safety and effectiveness in these children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: It is not known if Symax SR extended-release tablets can cause harm to the fetus. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Symax SR extended-release tablets while you are pregnant. Symax SR extended-release tablets are found in breast milk. If you are or will be breast-feeding while taking Symax SR extended-release tablets, check with your doctor. Discuss any possible risks to your baby.
Possible side effects of Symax SR extended-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:
Seek medical attention right away if any of these SEVERE side effects occur:
Bloated feeling; blurred vision; constipation; decreased sweating; dizziness; drowsiness; dry mouth; enlarged pupils; excitability; headache; nausea; nervousness; trouble sleeping; weakness.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); agitation; behavior changes; confusion; decreased sexual ability; diarrhea; difficulty focusing eyes; disorientation; exaggerated sense of well-being; fast or irregular heartbeat; hallucinations; loss of consciousness; loss of coordination; memory loss; mental or mood changes; severe or persistent trouble sleeping; speech changes; taste changes or loss; trouble urinating; unusual tiredness or weakness; 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.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include disorientation; excessive thirst or excitability; fever; hot, dry skin; seizures; severe dry mouth; severe or persistent blurred vision, dizziness, headache, nausea, or vomiting; trouble breathing or swallowing.Proper storage of Symax SR extended-release tablets:
Store Symax SR extended-release tablets at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Symax SR extended-release tablets out of the reach of children and away from pets.
- If you have any questions about Symax SR extended-release tablets, please talk with your doctor, pharmacist, or other health care provider.
- Symax SR extended-release tablets are to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take Symax SR extended-release tablets or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Symax SR extended-release tablets. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Symax SR extended-release tablets. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Symax SR extended-release tablets.