Bupivacaine in Obstetrics


Bupivacaine is an anesthetic to block nerve impulses that send pain signals to the brain, indicated for local anesthesia during childbirth, surgery or medical procedures,... So what is Bupivacaine?

1. What is the effect of local anesthetic Bupivacaine in obstetrics?

Bupivacaine is a numbing agent that blocks nerve impulses that send pain signals to the patient's brain. Bupivacaine is an epidural that is injected into the spine to cause anesthesia during surgery or childbirth or other medical procedures. Bupivacaine is also used in dentistry and may also be used for other purposes.
In addition, some other effects of the drug are not listed on the approved drug label, but in some cases the doctor may prescribe the use of Bupivacaine.

2. How to use Bupivacaine?


Bupivacaine is prepared as a sterile colorless solution and has the following forms:
Bupivacaine hydro chloride, USP 0.25% (2.5 mg/mL): 10ml, 30ml Bupivacaine hydro chloride, USP 0.5 % (5 mg/mL): 10ml, 30ml Bupivacaine hydro chloride, USP 0.75% (7.5 mg/mL): 10ml, 30ml Bupivacaine is injected directly into or near the area to be anesthetized. For an epidural you will be given an injection of bupivacaine into the middle or lower back spine.
The dose used will depend on the age and the purpose of anesthesia in each type of procedure such as:
For adults: The usual adult dose for local anesthesia can be up to 175mg, sometimes more more or less depending on the patient. Dosage may be repeated every 3 hours. The maximum dose is 400mg/24 hours. Usual adult dose for anesthesia during cesarean section: inject Bupivacaine in dextrose solution for spinal anesthesia with a dose of 7.5-10.5mg corresponding to 1-1.4ml. For children: Usual pediatric dose for local anesthesia: epidural dose is 1.25mg/kg/dose, sacral anesthesia 1-3,7mg/kg. The infusion dose in infants 4 months of age and younger is 0.2-0.25 mg/kg/hour. Infants older than 4 months and children 0.4-0.5mg/kg/hour. Injection of Bupivacaine in dextrose solution should not be used in patients under 18 years of age.

3. Undesirable effects when using Bupivacaine drug


Bupivacaine local anesthetic can cause some unwanted and common side effects that can be mentioned as:
Nausea, vomiting Headache, back pain Dizziness Sexual function problems Feeling anxious, restless fidgeting or confusion Problems with speech and vision Tinnitus Mouth has a metallic taste or numbness, itching around the mouth Convulsions, seizures Weak or shallow breathing, gasping for breath Fast or slow heartbeat, weakness Weakness Urinating less or less often or not at all Before prescribing the drug, the doctor always considers the benefits and effects that Bupivacaine brings. When using Bupivacaine, it is still possible to have unwanted effects. Therefore, when unusual symptoms appear, especially when a severe allergic reaction occurs with accompanying signs such as severe dizziness, difficulty breathing, rash, rash, swelling of the face, tongue or throat, ... the patient should immediately notify the doctor or nurse for immediate medical intervention.

4. Some notes when using Bupivacaine drug


Some notes when using Bupivacaine include:
Report a history of allergy to local anesthetic Bupivacaine hypersensitivity reaction to any other allergy. Bupivacaine may contain inactive ingredients and could cause an allergic reaction or other serious problems. Report any medications you are taking including prescription and nonprescription drugs, herbs and supplements, foods, dyes or preservatives. Note the use of Bupivacaine for cases of anemia in the absence of red blood cells, liver or kidney disease, blood clotting or bleeding disorders, syphilis, brain tumors, polio, spinal cord tumors, numbness or tingling, chronic back pain, headache caused by surgery, scoliosis, arthritis, hypertension or hypotension,... Closely monitor vital signs during anesthetic injection Bupivacaine such as breathing rate, blood oxygen saturation, blood pressure, pulse,... Some epidural anesthetics can have long-term or permanent effects on some body processes such as function. genitalia, movement or sensation in the legs or feet, bowel or bladder control. Do not use more drug than the treatment regimen. Bupivacaine overdose or ingestion can cause serious symptoms such as nausea, vomiting, abdominal pain, shortness of breath, fainting, etc.

5. Drug interactions


Some drugs that can interact with Bupivacain include:
Hyaluronidase Propofol Propranolol Verapamil Alacepril Benazepril Captopril Cilazapril Enalaprilat Delapril Enalapril maleate Fosinopril Imidapril Lisinopril Moexipril Pentopril Perindopril Quinapril Te Ramipril Spiopril

6. How to store Bupivacaine?


Store Bupivacaine with injection solution at room temperature below 30 degrees Celsius, protect from light and avoid humid places. Do not store Bupivacaine in a humid place or in the freezer and keep away from heat and open flames. Different medicines will have different storage methods, so read the instructions for storing Bupivacaine on the packaging carefully, or ask your pharmacist.

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Bài viết này được viết cho người đọc tại Sài Gòn, Hà Nội, Hồ Chí Minh, Phú Quốc, Nha Trang, Hạ Long, Hải Phòng, Đà Nẵng.

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