What drugs are methylxanthines?

What drugs are methylxanthines?

3 Methylxanthines. The MXs are a group of phosphodiesterase inhibitors. They include caffeine, present in coffee, and theophylline and theobromine, present in tea.

What kind of drugs are xanthines?

Xanthines are a group of alkaloids commonly used for their effects as mild stimulants and as bronchodilators, notably in the treatment of asthma symptoms.

What classification is theophylline?

This medication belongs to a class of drugs known as xanthines. It works by relaxing the muscles around the airways so that they open up and you can breathe more easily. It also decreases the lungs’ response to irritants.

What foods contain theophylline?

Theophylline 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.

What is Denison drug?

Adenocor is a type of medicine used to treat a condition called. paroxysmal supraventricular tachycardia (including a condition called Wolff-Parkinson-White syndrome). This is when the heart beats too rapidly.

Is methylxanthines a bronchodilator?

Methylxanthines are relatively weak bronchodilators that are administered systemically. They have been used for treatment of acute exacerbations as well as for long-term control of asthma symptoms. The most common methylxanthine used for asthma treatment is theophylline.

What is a methylxanthine?

Methylxanthines are a purine-derived group of pharmacologic agents that have clinical use because of their bronchodilatory and stimulatory effects. This class includes several drugs, including the world’s most widely used caffeine.

What is methilxanthine found in coffee?

They can be found in different concentrations in coffee, chocolate, and tea. Caffeine is the main methilxanthine of coffee; theobromine is abundant in chocolate in which the theobromine–caffeine ratio varies widely, but it is typically higher than 1; and theophilline is the primary methylxanthine in tea (Franco et al., 2013).

Which is the best methylxanthine for asthma?

Theophylline is the most well known and most commonly used methylxanthine. At low dosages, it has an immunomodulatory, anti-inflammatory and bronchoprotective effect. Higher dosages are needed for its bronchodilator effect; however, higher dosages are often associated with toxicity.

What are the signs and symptoms of methylxanthine toxicity?

Methylxanthine toxicity can present with any of the following symptoms: intractable nausea, cardiac arrhythmias, rhabdomyolysis, seizures, or cardiac arrest. Charcoal or sorbitol may be administered to reduce further GI absorption of the drug (however, this is only effective with oral dosing of the drug).