What is Darvon?

Darvon is a narcotic analgesic used to relieve mild to moderate pain. It relieves pain by working in the brain. It is the brand name for propoxyphene hydrochloride. Propoxyphene hydrochloride is bitter testing odor free crystalline powder. This chemical is easily soluble in water. Its chemical formula is (2S,3R)-(+)-4-(Dimethylamino)-3-methyl-1,2-diphenyl-2-butanol propionate (ester) hydrochloride.

This chemical compound has a molecular weight of 375.94.

How to use Darvon?

Darvon should be used as directed by the doctor. It can be taken with or without food. It can cause upset stomach in that case it should be taken with food. It is better to stick to the prescribed dose and timings of each dose. Stop using Darvon and consult to your Doctor if any of these conditions occurs after taking the medicine:

  • you develop any sort of allergic reaction to any ingredient of Darvon
  • you have severe diarrhea caused by antibiotic use (pseudomembranous colitis) or poisoning
  • you are taking sodium oxybate (GHB).

Precautions Before Using Darvon

You should take care before using Darvon. If you are suffering from some other medical conditions or taking other drugs, it can create complication to take Darvon simultaneously. So if any of the following conditions apply, then do not take Darvon and ask your doctor to change your medicine accordingly.

  • Pregnancy or planning to become pregnant and breast-feeding.
  • You are taking any other medicine or dietary supplement.
  • You are suffering from any brain related problem.
  • You are suffering from problems of prostate, kidney or liver.
  • You have allergies of any substance including food and medicine.
  • You have any medical problem with stomach or urinary system.
  • You have lungs, thyroid, heart or blood related problems.
  • You have a history of drug abuse or dependence or depression.
  • avoid consuming alcohol while you are on propoxyphene. Dangerous side effects or death can occur when alcohol is combined with a narcotic pain medicine.

You should also consult your doctor before taking Darvon if you are already taking any medicine. Some medicines can cause severe side effects by interacting with it. Some of the medicines and side effects are listed below.

Anticoagulants (eg, warfarin), it can lead to an increased risk of bleeding beside other side effects, if taken with Darvon.

Sometimes Darvon taken with Carbamazepine can cause severe side effects including nausea, vomiting, loss of coordination, and involuntary eye movements may develop.

Antidepressant medicines (eg, amitriptyline, phenelzine), anticonvulsants (eg, phenobarbital, phenytoin), barbiturate anesthetics (eg, thiopental), cimetidine, HIV protease inhibitors (eg, ritonavir), and terfenadine, side effects of these medicine aggravate, when taken with Darvon.

Naltrexone,  it decreases the effectiveness of Darvon.

Sodium oxybate (GHB), side effects, including increased risk of sleep duration and drowsiness leading to unresponsiveness and coma may be aggravated by simultaneous use of Darvon.

There are many other medicines, which can cause severe side effects, when taken with Darvon. So, it’s advisable to consult your doctor before hand, while taking Darvon along with other medicines. You should also consult your doctor before stopping Darvon as sudden stoppage can cause withdrawal symptoms. It is a habit-forming drug, so do not take it regularly without doctor’s advice.

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