- Which tea has most theophylline?
- What is oral theophylline?
- What does theophylline interact with?
- Can theophylline cause insomnia?
- What is the normal theophylline level?
- Is theophylline still used?
- What happens when you stop taking theophylline?
- Does theophylline raise blood sugar?
- What is the pH of theophylline?
- What can you take over the counter for wheezing?
- How much does theophylline cost?
- Has theophylline been discontinued?
- Is theophylline available over the counter?
- What can I take over the counter for asthma?
- Is theophylline used for COPD?
- When should you take theophylline?
- What is the side effect of theophylline?
- Does theophylline increase heart rate?
- Is there a generic for theophylline?
- What is the brand name of theophylline?
Which tea has most theophylline?
black teaTheophylline is found in black tea and to a lesser extent in green coffee, cocoa cotyledon and dried mate.
Theophylline is synthesized on an industrial scale and is used principally in pharmaceutical preparations.
Per-caput daily intake of theophylline from black tea in the USA has been estimated to be 0.14 mg..
What is oral theophylline?
Theophylline oral tablet is only available as a generic drug. Theophylline is used to treat the symptoms of asthma or other lung conditions that block your airways, such as emphysema or chronic bronchitis. It’s used for long-term treatment. This drug comes in the form of an oral tablet, oral capsule, or oral solution.
What does theophylline interact with?
TABLE II. Clinically significant drug interactions with theophylline.*DrugType of InteractionCarbamazepineSimilar to aminoglutethimide.CimetidineDecreases theophylline clearance by inhibiting cytochrome P450 1A2.CiprofloxacinSimilar to cimetidine.ClarithromycinSimilar to erythromycin.37 more rows•Jul 12, 2019
Can theophylline cause insomnia?
Insomnia can be a sign of theophylline toxicity, so if you have trouble sleeping, let your doctor know ASAP, especially if you notice any of the following: Headache. Irritability. Increased heart rate.
What is the normal theophylline level?
The therapeutic concentration for theophylline, when used as a bronchodilator to treat asthma, is generally considered to be 5–15 mcg/mL (28-83 micromol/L) for adults, 5–10 mcg/mL (28–55 micromol/L) for children and neonates. Levels greater than 20 mcg/mL (111 micromol/L) are considered toxic.
Is theophylline still used?
Theophylline is still one of the most widely prescribed drugs for the treatment of asthma and chronic obstructive pulmonary disease (COPD) worldwide, because it is inexpensive and widely available.
What happens when you stop taking theophylline?
“If you suddenly stop taking theophylline, your asthma symptoms may return, which could lead to a potentially fatal asthma attack.”
Does theophylline raise blood sugar?
low potassium level –leg cramps, constipation, irregular heartbeats, fluttering in your chest, increased thirst or urination, numbness or tingling, muscle weakness or limp feeling; or. high blood sugar –increased thirst, increased urination, dry mouth, fruity breath odor.
What is the pH of theophylline?
While salts of theophylline may be formed with a base at high pH, theophylline is only slightly ionized at physiological pH (pKa = 8.8).
What can you take over the counter for wheezing?
Asthmanefrin (racepinephrine) is a currently available nonprescription OTC inhaler medication. These types of asthma medications are designed to temporarily relieve asthma symptoms such as shortness of breath, ch est tightness, and wheezing.
How much does theophylline cost?
Theophylline is used to treat lung diseases such as asthma and COPD (bronchitis, emphysema). Learn more about this drug here. This is a generic drug. The average cost for 30 Tablet Extended Release 12 Hour(s), 300mg each of the generic (theophylline er) is $144.59.
Has theophylline been discontinued?
Major has discontinued theophylline extended-release tablets. Teva has had theophylline extended-release tablets temporarily unavailable for several years. Theophylline 24-hour extended-release presentations are available from Mylan, Rhodes, and Endo Pharmaceuticals.
Is theophylline available over the counter?
Theophylline and phenobarbital previously were active ingredients in nonprescription asthma products; however, both are now classified as prescription-only products. For the past three decades, the FDA has taken actions regarding the regulation of nonprescription treatments for asthma.
What can I take over the counter for asthma?
OTC asthma treatmentRacepinephrine. Racepinephrine (Asthmanefrin) is a bronchodilator that improves breathing by relaxing muscles in the airways. … Epinephrine. Also known as adrenaline, epinephrine (EpiMist) is a bronchodilator that can open up airways to facilitate breathing. … Ephedrine.Dec 12, 2018
Is theophylline used for COPD?
Theophylline has been used in the treatment of chronic obstructive airway diseases, including chronic obstructive pulmonary disease (COPD), for more than 70 years. It is still widely prescribed worldwide, because it is inexpensive.
When should you take theophylline?
Take theophylline exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor. Take this medication with a full glass of water on an empty stomach, at least 1 hour before or 2 hours after a meal.
What is the side effect of theophylline?
Nausea/vomiting, stomach/abdominal pain, headache, trouble sleeping, diarrhea, irritability, restlessness, nervousness, shaking, or increased urination may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
Does theophylline increase heart rate?
In noncontrolled studies performed in patients with symptomatic SSS, oral theophylline increased resting and exercise heart rate, improved symptoms, and reduced cardiac pauses during follow-up.
Is there a generic for theophylline?
Theophylline is a bronchodilator that is used to treat symptoms of asthma, bronchitis, emphysema, and other breathing problems. Theophylline is a generic drug that is sold under the brand-names Elixophyllin, Theo-24, Respbid, T-Phyl, Aerolate III, and others.
What is the brand name of theophylline?
Theophylline is available under the following different brand names: Theo 24, Theochron, Elixophyllin, aminophylline, and Uniphyl.