Some brief information about drugs - on the first letter: P

Pamelor

Pamelor (NORTRIPTYLINE) is an antidepressant drug which belongs to the tricyclic class. Medicines of this class are usually referred to as tricyclic antidepressants, or TCAs. Depression is determined as an all-pervasive sense of sadness and gloom. In most cases the reason of depression is abnormal levels of brain neurotransmitters (neurotransmitters are called chemicals that the nerve cells use to be in contact with each other). The raising of the mood ("anti-depresses") when taking Nortriptyline is conditioned by raising the level of neurotransmitters in brain tissue.

Parlodel

Parlodel (BROMOCRIPTINE) inhibits the secretion of the hormone prolactin from the pituitary gland. It also mimics the action of dopamine, a chemical lacking in the brain of someone with Parkinson's disease. It is used to treat a variety of medical conditions, including:
• Infertility in some women
• Menstrual problems such as the abnormal stoppage or absence of flow, with or without excessive production of milk
• Growth hormone overproduction leading to acromegaly, a condition characterized by an abnormally large skull, jaw, hands, and feet
• Parkinson's disease
• Pituitary gland tumors

Some doctors also prescribe Parlodel to treat cocaine addiction, the eye condition known as glaucoma, erection problems in certain men, restless leg syndrome, and a dangerous reaction to major tranquilizers called neuroleptic malignant syndrome.

Paxil

Generic Paxil (PAROXETINE) is a newer class of antidepressant medication known as Selective Serotonin Reuptake Inhibitors (SSRIs).

List of the most popular pharmacies

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Penegra

Penegra (Sildenafil) is an oral therapy for Impotence containing Sildenafil Citrate, similar active ingredient as in its braned version. Manufactured by Zydus Cadila Penegra meets the strictest guidelines set by the World Health Organisation. Except for the packaging color and price there isn’t any major difference between Penegra and its brand equivalent.

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Pepcid

Pepcid (FAMOTIDINE) is in a class of drugs called histamine receptor antagonists. Pepcid works by decreasing the amount of acid the stomach produces.
Pepcid is used to treat and prevent ulcers in the stomach and intestines. Pepcid is also used to treat conditions in which the stomach produces too much acid and conditions in which acid comes up into the esophagus and causes heartburn, such as gastroesophageal reflux disease (GERD).

Periactin

Periactin (CYPROHEPTADINE) is a piperidine antihistamine. Unlike other antihistamines, this drug also antagonizes serotonin receptors. This action makes Cyproheptadine useful in conditions such as vascular headache and anorexia. Cyproheptadine does not prevent the release of histamine but rather competes with free histamine for binding at HA-receptor sites. Cyproheptadine competitively antagonizes the effects of histamine on HA-receptors in the GI tract, uterus, large blood vessels, and bronchial smooth muscle. Most antihistamines possess significant anticholinergic properties, but Cyproheptadine exerts only weak anticholinergic actions. Blockade of central muscarinic receptors appears to account for Cyproheptadine's antiemetic effects, although the exact mechanism is unknown. Cyproheptadine also competes with serotonin at receptor sites in smooth muscle in the intestines and other locations. Antagonism of serotonin on the appetite center of the hypothalamus may account for Cyproheptadine's ability to stimulate appetite. Cyproheptadine also has been used to counter vascular headaches, which many believe are caused by changes in serotonin activity, however it is unclear how Cyproheptadine exerts a beneficial effect on this condition. For treatment of perennial and seasonal allergic rhinitis, vasomotor rhinitis, allergic conjunctivitis due to inhalant allergens and foods, mild uncomplicated allergic skin manifestations of urticaria and angioedema, amelioration of allergic reactions to blood or plasma, cold urticaria, dermatographism, and as therapy for anaphylactic reactions adjunctive to epinephrine.

Persantine

Persantine (DIPYRIDAMOLE) helps to prevent blood clots and reduce the risk of related problems such as stroke, in patients who have had heart valve replacements. Generic dipyridamole tablets are available.

Phenergan

Phenergan (PROMETHAZINE ORAL) is an antihistamine. It blocks the effects of the naturally occurring chemical histamine in your body.

Plavix

Generic Plavix (CLOPIDOGREL) is an antiplatelet agent used to reduce the risk of stroke or heart attack in patients with atherosclerosis. It may also be used to treat other conditions as determined by your doctor.

Plendil

Plendil (FELODIPINE) contains the active ingredient felodipine, which is a type of medicine called a calcium channel blocker. This type of medicine acts on the heart and blood vessels.

Felodipine works by slowing the movement of calcium through the muscle cells that are found in the walls of blood vessels. It acts specifically on the muscle cells in the walls of small arteries (arterioles). Felodipine slows calcium movement by blocking 'calcium channels' in these muscle cells. Calcium is needed by muscle cells in order for them to contract, so felodipine causes the muscle in the walls of the small arteries to relax. This widens the small arteries in the body, an effect that has two uses.

The relaxing and widening of the small arteries in the body decreases the resistance that the heart has to push against in order to pump the blood around the body. This reduces blood pressure. Felodipine can therefore be used to treat high blood pressure.

The widening effect on the small arteries also improves the blood and therefore oxygen supply to the heart. This feature means felodipine can be used to treat angina. The chest pain of angina is caused by insufficient oxygen supply to the heart. As felodipine improves this oxygen supply, and also reduces the effort the heart has to make to pump blood, it can be used to prevent angina attacks.

Ponstel

Ponstel (MEFENAMIC ACID) is a Nonsteroidal Anti-Inflammatory drug (NSAID) used to relieve pain caused by sprains, strains, or menstrual cramps. It is also used to treat other conditions as determined by your doctor.

Prandin

It is used in addition to diet and exercise to lower blood sugar in adults who cannot manage with diet, exercise, or diabetic medications alone. It may be used with other diabetes medicines.

Pravachol

Pravachol is used for lowering high cholesterol and triglycerides in certain patients.

Prednisone

Prednisone (Prednisolone) is used for treating severe allergies, arthritis, asthma, multiple sclerosis, and skin conditions. It may also be used for other conditions as determined by your doctor.

Premarin

Generic Premarin (CONJUGATED ESTROGENS) is a female hormone and is usually given to women who no longer produce the proper amount. It is used to reduce menopause symptoms (e.g., vaginal dryness).

Prevacid

Prevacid is used for short-term treatment of irritation of the esophagus when medicine cannot be taken by mouth.

Prilosec

Treating heartburn or irritation of the esophagus caused by gastroesophageal reflux disease (GERD). It may also be used for short-term treatment of ulcers of the stomach or small intestines. It may also be used with certain antibiotics to treat ulcers of the small intestines and to help prevent them from coming back. It may also be used to treat conditions that cause your body to make too much stomach acid (eg, Zollinger-Ellison syndrome). It may also be used for other conditions as determined by your doctor.

Primaquine

Primaquine is an antimalarial drug. The exact way that primaquine works is unknown.

Prograf

Prograf (TACROLIMUS) is used for preventing organ rejection in patients following liver, kidney, or heart transplant.

Propecia

Generic Propecia (FINASTERIDE) is the first and only FDA approved pill proven to treat male pattern hair loss on the vertex (top of head) and anterior mid-scalp area in men. Studies show that 80% of men experience improvement when taking Propecia.

Proscar

Proscar (FINASTERIDE) prevents the conversion of testosterone to dihydrotestosterone (DHT) in the body. DHT is involved in the development of benign prostatic hyperplasia (BPH).
Proscar is used to treat symptoms of benign prostatic hyperplasia (BPH) in men with an enlarged prostate.
Proscar may also be used for other purposes not listed in this medication guide.

Protonix

Protonix is used for Short-term treatment (7 to 10 days) of patients with gastroesophageal reflux disease (GERD) who have a history of irritation of the esophagus. It may be used for conditions that cause your body to make too much stomach acid (eg, Zollinger-Ellison syndrome). It may also be used for other conditions as determined by your doctor.

Provera

Provera (MEDROXYPROGESTERONE) belongs to the group of medicines known as progesterones. Progesterones are female hormones. They are produced by the body and are necessary along with other hormones for normal female sexual development and for the regulation of the menstrual cycle during childbearing years. Medroxyprogesterone is a progesterone that is derived from soybeans. It reduces the effects of estrogen on tissues such as the endometrium (lining of the uterus) and the breast.

Prozac

Generic Prozac (FLUOXETINE) is a Serotonin Reuptake Inhibitor (SSRI) that helps patients with depression by increasing the availability of serotonin in the brain. Scientists believe serotonin affects many types of activity in the brain, including the regulation of mood.

Pulmicort

Pulmicort (BUDESONIDE INHALATION) contains budesonide which is a corticosteroid. Budesonide prevents the release of substances in the body that cause inflammation.

Purim

Purim helps maintain optimum health through broad and systemic blood purification.

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