Drug
Is the treatment used in the treatment of a disease, and may depend on a chemical source, or herbal source, and known medicines since time ago, with the beginning of the discovery of diseases, and the emergence of medical science, as the ancient peoples relied on the use of plants in the treatment of various diseases, after the emergence of success in mitigation Of the symptoms associated with the disease, and herbal remedies are still used until this time, most of which is a component of chemical treatments, which was discovered after the medical sciences to advanced stages of research and discovery based on scientific studies accurate, contributed to the extraction of pharmaceutical compounds to treat Many diseases, which have been difficult to treat in the past.
Medications
Medicines are classified into four types:
Medical source
Are drugs that rely on chemicals (minerals), plants or any other medical sources. The extract from the main source of the drug is used in the manufacture of the compound, by mixing several components together, to obtain a drug that contributes to the treatment of the special condition with it.
Method of exchange
Drugs in this type are distributed in two groups:
- Over-the-counter medicines: These drugs are available to the person visiting the pharmacy, and do not cause serious side effects, including: some types of painkillers, toothpaste.
- Prescription drugs: Medicines that the pharmacist depends on, on the presence of a prescription with the person, and is not allowed to be used without a prescription, which depends on a specialist doctor, for example: psychiatric drugs, drugs containing substances affecting the functioning of the nervous system .
Effect of medication
This type of medicine is divided into two parts:
- Quick-acting drugs: Medications that show results within a short period of time, which last up to one day.
- Slow-acting drugs: Drugs that require several days to show results on the patient.
How to use the medicine
This type of medication is classified into two categories:
- Oral medications: Oral medications, such as tablets and capsules.
- Injectable drugs: Medications given to the patient using injections in the presence of an artery of blood are considered to be of a rapid effect compared to oral medications.
Pharmaceutical results
Is the effects of the drug after reaching the blood, and the function of the body within the body, and the drugs given by intravenous are the most effective, compared to the effects of other types of medicine, which need to decomposition in the intestine, and then moved to the site of the disease, so It is recommended to take most medicines after a meal of food, to analyze the stomach at first the food contained within, and away from the analysis of pharmaceutical ingredients, so that the drug to ease the symptoms of the disease.