Today it’s hard to find someone who is not familiar with allergies. A seemingly harmless phenomenon can lead to grave consequences. What is anaphylactic shock that can result in death. Therefore, it is very important to immediately provide medical care to the patient at the first symptoms of an allergy. A quality antihistamine will come to the rescue. It will stop the development of an allergic reaction and normalize the condition of the whole organism.
Among specialists, the drug "Diphenhydramine" is popular. Instructions for use describe the rules of admission, as well as indications.
Pharmacological information
The medicine has an antiallergic, antiemetic effect. It also has sedative, hypnotic and local anesthetic indicators. Blocks histamine receptors. The drug lowers and removes muscle cramps caused by histamine, tissue swelling, redness, itching and rash. When the drug enters the body, there is a feeling of numbness of the mucous membranes in the mouth. With many diseases, the medicine Diphenhydramine can help. Instructions for use should be studied before starting treatment.
The main active ingredient blocks the cholinergic receptors of the autonomic ganglia, thereby reducing pressure. If the drug gets inside patients with impaired blood circulation, hypotension may intensify. Therefore, you need to monitor pressure indicators. In patients with epileptic seizures, seizures may begin. The drug copes with bronchospasm, reduces the cough reflex. The drug "Diphenhydramine" shows itself very well in attacks of bronchial asthma. Instructions for use will help determine the correct dosage.
The effect of the drug in the body
When taken orally, the product dissolves and is absorbed in a short time. The most active effect occurs one hour after administration. Almost 100% combines with blood proteins. Most of the drug is broken down in the liver, the rest is excreted in the urine during the day.
The duration of the drug reaches 6 hours. If a nursing mother takes this medicine, then the child may develop sleeping pills and
sedation. Therefore, during lactation, the medication can be used only after consulting a pediatrician. Pregnant women do not want to use Diphenhydramine. Instructions for use, release form, analogues - all this information should be studied before starting treatment.
Medication
There are many conditions in which it is advisable to take the drug “Defingrams”. These are urticaria, dermatoses, which cause severe itching, vasomotor rhinitis, allergic conjunctivitis, serum sickness, allergic reactions to the administration of the drug.
A medication is prescribed for anaphylactic shock during transfusion of red blood cells and blood substitutes. In the complex treatment of radiation sickness, a medication can also be used.
The medicine "Defingrams" is used as a local anesthetic, during flights and sea trips - as an antiemetic.
Instructions for use must be studied before using the "Diphenhydramine" agent. Ointment is also used quite widely. The drug in this form helps to relieve pain during sunburn, during an insect bite. The ointment quickly eliminates the rash that manifested as a result of an allergic reaction.
Contraindications
With a strong sensitivity to the components of the drug, it can not be used. It is not recommended to take this medicine during feeding, it will cause drowsiness in the baby. No medication is prescribed for newborns.
The drug is contraindicated in glaucoma, prostatic hypertrophy, in the acute period of peptic ulcer and gastritis, with stenosis of the bladder neck. With great care is prescribed to minor patients.
The medicine is contraindicated in chronic processes in the kidneys and liver. Before starting therapy, it is necessary to thoroughly study all contraindications to the drug "Diphenhydramine." Instructions for use describe everything in detail.
Side effects
On the part of the nervous system, phenomena such as weakness, drowsiness, decreased attention, fatigue, dizziness, headache, impaired coordination of movements, anxiety, and increased irritability can be observed.
From the cardiovascular system: low blood pressure, palpitations, tachycardia, thrombocytopenia, hemolytic anemia. From the gastrointestinal tract there is dry mouth, numbness of the mucous membrane, nausea, vomiting, diarrhea, constipation, weight loss.
From the side of the kidneys, urinary retention, frequent urination or a complete lack of urine may be observed. Dryness of the nose and throat, nasal congestion, and viscosity of sputum from the bronchi may also occur. Increased sweating, fear of light may also develop. Very often, allergic reactions occur in the form of a rash, hyperemia and itching. The drug "Diphenhydramine" has many side effects. Instructions for use, analogues, possible adverse reactions - all this should be studied before starting therapy.
Drug overdose
If the medicine is not taken correctly, agitation or, on the contrary, depression of the nervous system, redness of the skin, loss of consciousness, dry mucous membranes can be observed, it becomes difficult to breathe. In case of an overdose of the drug, detoxification therapy is carried out . The patient is given gastric lavage, enemas are given, and an adsorbent is drunk. Additionally, sterile preparations of glucose and physiological saline are used in the form of droppers.
Be sure to measure your heart rate and pressure. The condition, which is caused by an overdose of the drug, requires constant monitoring by a doctor and nurses. Therefore, such patients are prescribed treatment in the intensive care unit until the condition normalizes. The dosage regimen should be strictly observed using the diphenhydramine agent. Instructions for use, synonyms, contraindications - all this will tell the doctor.
Dosage of diphenhydramine
The drug has several uses. These are intramuscular and intravenous injections, a rectal method. There is a medicine in the form of drops and ointments. Orally, adults are prescribed 30-50 mg of the drug three times a day. From motion sickness, you need to drink medicine one hour before the upcoming trip. To eliminate insomnia before bedtime, you need to use 50 mg of the drug. You can take no more than 150 mg of the drug per day, otherwise overdose symptoms may appear. The permissible dose per dose is 50 mg. Intravenously, the drug is administered in saline at a dose of up to 50 mg. The course of treatment with a medical device should not exceed 10 days.
Diphenhydramine eye drops are widely used. In this form, the medication is used up to five times a day. An ointment or gel with the drug "Diphenhydramine" is applied a thin layer on the skin four times a day.
The dose is set by the doctor individually. You should not take the drug "Diphenhydramine." Instructions for use in ampoules contain a calculation of the dosage and methods of administering the drug.
How to replace the medicine "Diphenhydramine"
Many patients are satisfied with the treatment with this particular drug. In a short time, it helps to get rid of many allergic symptoms. Well tolerated by the body. Only in very rare cases can side effects occur.
What should I do if I could not find Diphenhydramine in the pharmacy? Instructions for use (tablets, drops, ointment) contain information about the composition. Based on this information, the specialist will select a high-quality analogue without any problems. There is a huge list of drugs that have a similar effect on the body. Such drugs as Betadrin, Polynadim, Psilobalzam, Cofanol, Valemidine, Pentaflucin and many others are popular.