Roxair

Roxair Uses, Dosage, Side Effects, Mechanism of Action, How Long Does it Take to Work? Roxair is a brand name. Its generic name is Roflumilast.

Introduction

Roxair (trade name Daxas) is a phosphodiesterase 4 (PDE4) inhibitor developed by German pharmaceutical company Bayern Innovativ. It is indicated for the treatment of chronic obstructive pulmonary disease (COPD).

Uses

Roxair is used to treat chronic obstructive pulmonary disease (COPD). It works by decreasing inflammation in the lungs, which helps reduce symptoms such as coughing and difficulty breathing.

Mechanism of Action

Roxair works by inhibiting the enzyme phosphodiesterase-4 (PDE4), which is responsible for breaking down a substance called cyclic adenosine monophosphate (cAMP). By blocking this enzyme, Roxair increases levels of cAMP, which helps reduce inflammation in the lungs.

How Long Does It Take To Work?

The effects of Roxair may be seen as early as one week after beginning treatment but the full effects may take 6-8 weeks to be seen.

Absorption

Roxair is rapidly absorbed after oral administration, with peak plasma concentrations reached 1.6-4 hours after dosing. Bioavailability is approximately 60%.

Route of Elimination

Roxair is eliminated primarily by the kidneys, with approximately 85% of an oral dose excreted in the urine.

Dosage

The recommended oral dose of Roxair is one 500 mcg tablet taken once per day. It should be taken with or without meals and can be taken at anytime during the day.

Administration

Roxair is available as a tablet, and should be taken orally with a glass of water.

Side Effects

The most common side effects of Roxair are gastrointestinal effects, including diarrhea, nausea, abdominal pain, and loss of appetite. Other side effects may include headache, depression, insomnia, and weight loss.

Toxicity

The toxic effects of Roxair have not been thoroughly studied. Based on animal studies, high doses of Roxair could cause damage to the liver and kidneys.

Precaution

Inform your healthcare provider if you are pregnant or planning to become pregnant, or if you are breastfeeding or planning to breastfeed. Tell your doctor about all medications you are taking, especially if you are taking other PDE4 inhibitors.

Interaction

Roxair may interact with other drugs, including calcium channel blockers, corticosteroids, tricyclic antidepressants, narcotic pain relievers, and MAO inhibitors. It is recommended that patients taking any of these medications inform their doctor before taking Roxair.

Disease Interaction

Roxair may interact with certain diseases, including cardiovascular disease, diabetes, and kidney and liver disease. It is recommended that patients with any of these conditions inform their doctor before taking Roxair.

Drug Interaction

Certain drugs may interact with Roxair, including antidepressants, steroids, calcium channel blockers, and narcotic pain relievers. It is recommended that patients taking any of these medications inform their doctor before taking Roxair.

Food Interaction

Roxair may interact with certain foods, including grapefruit juice, alcohol, and high-fat meals. It is recommended that these foods be avoided while taking Roxair.

Pregnancy Use

There is limited information available regarding the safety of Roxair during pregnancy. It is recommended that pregnant women should not take Roxair unless the potential benefit justifies the potential risk to the fetus.

Lactation Use

It is not known whether Roxair is excreted in human milk. It is recommended that women who are breastfeeding should not take Roxair unless the potential benefit justifies the potential risks.

Acute Overdose

In the case of an acute overdose, patients should contact a doctor or poison control center immediately. Symptoms of an acute overdose may include nausea, vomiting, abdominal pain, and diarrhea.

Contraindication

Roxair should not be used in patients with known hypersensitivity to the active ingredient or any of the excipients. It should also not be used in patients with severe liver or kidney impairment or in patients taking ketoconazole.

Use Direction

Roxair should be taken once daily with or without food. It is recommended that it should not be taken in combination with other PDE4 inhibitors.

Storage Condition

Roxair tablets should be stored at a temperature between 15°C and 25°C and should be kept away from light and moisture.

Volume of Distribution

Roxair has a volume of distribution of 0.91 L/kg.

Half Life

The half-life of Roxair is approximately 11 hours.

Clearance

Roxair has an oral clearance of approximately 7.3 L/h.

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