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4RX Store > Medication List > Antibiotics drugs > Order Myambutol online

Antibiotics Medication (Myambutol)

Generic name:
Brand name:
Myambutol is one of the names under which a medication used to treat various types of tuberculosis, Ethambutol, is sold. This drug is always used in combination with other anti-tuberculosis medications and can be used in kids older than 13 and pregnant women. People with kidney dysfunction can use the formulation but require dosage adjustments. Read our guide to know about Myambutol dosing, precautions, side effects, and other useful information.
Various forms of tuberculosis
The medication helps to treat different forms of tuberculosis effectively
Lupin Pharmaceuticals Inc.
Lupin Pharmaceuticals Inc.
Aethambutolum, Dadibutol, Diambutol, Etibi, Themibutal, Tibitol, Tibutol
Myambutol (Generic Ethambutol)
Actual product may differ in
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  Generic Medication guide:

What is the medication marketed under the name Myambutol? When is it used?

Myambutol is a brand owned by the German pharmaceutical company Riemser Arzneimittel. The active agent of the product is Ethambutol, an anti-tuberculosis antibiotic that can be also produced by different companies and sold under different names. It is possible because the formula was discovered back in 1961. Since then, the developer’s patent and exclusive right to make the drug expired and now the formula is no longer know-how. If you need to buy Myambutol, you can look for its generic version to save your money. Generic Myambutol is a collective and unofficial name for all medications with the same compound but different trade names. It is used to make it easier for people to find the right medication. For instance, we offer you to get the medication based on Ethambutol and made by the large Indian drug manufacturer Lupin Pharmaceuticals Inc. to verify that you get the right medication, check that the active agent indicated on the original package and in package insert is Ethambutol.

The indications for the formulation use are all forms of pulmonary and extrapulmonary tuberculosis (located anywhere in the body). The medication is appointed as part of combination therapy as its single use is not enough. Thus, even though you can buy generic Myambutol without Rx from this webpage, we still highly advise you to get the appointed therapy plan by a therapist with the tuberculosis treatment experience and board certification and only then to order the medications prescribed from our med store to save on the therapy.

Drug information
Trade names
Myambutol, Etibi, Servambutol, others
Pregnancy category
US: C (Risk not ruled out)
Routes of administration
By mouth
Pharmacokinetic data
Protein binding
Elimination half-life
3-4 hours

Myambutol contraindications for use

In case there are indications and laboratory tests proofs that the patient needs the therapy with this medication, it still can be contraindicated to be used in the following conditions:
- Intolerance of the active or auxiliary substances of the medication;
- Optic neuritis;
- Cataract;
- Inflammatory eye diseases;
- Diabetic retinopathy;
- Severe renal failure, chronic renal failure;
- Inability to assess the sight condition due to a severe condition or mental disorders.

It is not recommended to use the formulation in kids aged less than 13 years because there are no sufficient data on the safety of the medication use in this group of patients.

Use during pregnancy

It is possible to use the formulation during pregnancy at a therapist’s discretion only if the expected benefits are higher than the potential risks. Pregnant women with tuberculosis must be treated for at least nine months with several anti-tuberculosis medications including Ethambutol.
If a woman is diagnosed with tuberculosis while breastfeeding, she is advised to cease breastfeeding when using the medications for the disease.

Myambutol dosing

The primary treatment of the disease in adults is made with the use of 15 mg per kg of the body mass one time a day. In the repeated treatment course, the dosage is 25 mg per kg of the body weight one time per day for two months then it should be lowered to 15 mg per kg of the body weight for the whole remaining treatment course. In the use of 25 mg per kg of the body weight, it is advised to do regular checkups at ophthalmologist as the high doses of the medication can cause vision impairment or trigger dormant eye diseases.
The highest admissible daily dosage is two grams.
Children aged older than 13 are appointed the same dosages as adults but the highest admissible dosage for them is one gram per day.
The duration of the course depends on the form of tuberculosis and is from a half of a year to a full year.
The tablets are better tolerated when taken after meals.
Please note that these are the general recommendations from the package insert. Even if you buy Ethambutol from an online drugstore, you must first receive precise and personalized instructions on how to use the formulation in your case from your doctor.

Weight-dose estimation


15 mg/kg (7 mg/lb) Schedule
Weight Range Pounds
Dose in mg
Under 85 lbs
Under 37 Kg
85 - 94.5
37 - 43
95 - 109.5
43 - 50
110 - 124.5
50 - 57
125 - 139.5
57 - 64
140 - 154.5
64 - 71
155 - 169.5
71 - 79
170 - 184.5
79 - 84
185 - 199.5
84 - 90
200 - 214.5
90 - 97
215 and Over
Over 97
25 mg/kg (11 mg/lb) Schedule
Under 85 lbs.
Under 38 kg
85 - 92.5
38 - 42
93 - 101.5
42 - 45.5
102 - 109.5
45.5 - 50
110 - 118.5
50 - 54
119 - 128.5
54 - 58
129 - 136.5
58 - 62
137 - 146.5
62 - 67
147 - 155.5
67 - 71
156 - 164.5
71 - 75
165 - 173.5
75 - 79
174 - 182.5
79 - 83
183 - 191.5
83 - 87
192 - 199.5
87 - 91
200 - 209.5
91 - 95
210 - 218.5
95 - 99
219 and Over
Over 99

Dosage adjustment for kidney failure

The dosages for patients with kidney failure are based on the creatinine clearance rate:
- In cc between 70 and 100, the daily dosage is 15 mg per kg of the body weight;
- In cc lower than 70, the daily dosage is 10 mg per kg of the body weight;
- People on hemodialysis can receive 5 mg per kg of the body weight;
- On the day of dialysis the dosage is 7 mg per kg of the body weight.

Myambutol overdose

The intake of the dosages significantly higher than the prescribed ones can induce the development of neurological disorders, damage to the optic nerve, vision acuity impairment and enhancement of other adverse effects such as loss of appetite, nausea, diarrhea, fever, headache, dizziness, confusion, hallucinations, depressed breathing, and others.
There is no a specific antidote so the treatment is aimed at the elimination of symptoms. The formulation is quickly absorbed so vomiting, gastric lavage, and use of sorbents (for instance, activated carbon) is reasonable within the first hour after the medication intake. In the occurrence of allergic reactions, urgent use of desensitizing agents is prescribed. In the life-threatening overdose, blood transfusion for the removal of the red blood cells, where Ethambutol is accumulated, is prescribed.

Myambutol adverse effects

When you buy generic Ethambutol you can encounter certain adverse effects especially if you have never used the formulation before:
- Heart rate speedup, chest pain, and other heart symptoms;
- Blood composition disorders;
- Headache, dizziness, confusion, hallucinations, seizures, depression, numbness in the members, and others;
- Optic nerve inflammation, one-sided or both sided vision acuity impairment, color perception violation, and other sight violations;
- Infiltrates in the lung with or without eosinophilia, pneumonitis;
- Liver dysfunction hepatitis;
- Metallic taste in the mouth, nausea, indigestion, heartburn pain in the abdomen, diarrhea, anorexia, colitis, and others;
- Increased level of creatinine, increased urea, nephritis;
- Skin rash, skin itching, dermatitis, anaphylaxis, bronchospasm, and others.

Myambutol interactions

The formulation is always appointed along with other anti-tuberculosis medications so when you order Myambutol, you can as well order the other prescribed drugs from our med store. However, it can negatively interact with other medications:
-When combined with Isoniazid and cyclosporine A, it speeds up the disintegration of cyclosporine A with a risk of transplanted organ rejection;
- It lowers the effect of digitoxin;
- The neurotoxicity of the antibiotic and ciprofloxacin, aminoglycosides, asparaginase, Carbamazepine, lithium preparations, imipenem, methotrexate, quinine is enhanced in their combined use.
- The absorption of the antibiotic is impaired in the use of antacids.
- The enhancement of the medication toxicity is observed in the simultaneous use with Disulfiram.
- When used with ethionamide, the medications’ mutually suppress the effects of each other;
- Alcohol enhances the medication’s negative effect on the vision so it must not be consumed during the therapy.

Myambutol precautions

Before the therapy and during it the examination of the fundus (eye bottom) is a must for timely detection of any vision impairments that can lead to irreversible blindness if the therapy isn’t stopped in their first occurrence.
Individuals with kidney function impairment due to the worsened washing out of the medication from the body need to undergo vision tests daily.
The medication must be cautiously used by individuals with gout or hyperuricemia.
During the therapy, it is recommended to do frequent blood tests, tests for liver and kidney function.
At the beginning of treatment, such symptoms as coughing and increased amount of sputum can be enhanced. To lower their manifestations, it is advised to use B vitamins and expectorants.
Long-term or repeated use of the formulation can cause the development of secondary infections. In ay suspicion of the infection a patient must visit a doctor.
If the symptoms of tuberculosis do not diminish or even worsen within 2-3 weeks of the therapy, a patient must visit a doctor.
It is required to undergo a complete treatment course regardless of the presence or lack of the symptoms to prevent relapses or the development of infection resistance.
In the occurrence of any adverse effects, the dosage of the formulation should be lowered. If it is not possible to do so, it is advised to shift to the intermittent use of the medication (every other day or twice a week).

Where to buy Myambutol?

The best and the cheapest way to get this medication is to order generic Myambutol from our online pharmacy. We propose you to buy the generic version that is no way inferior to the branded one but costs cheaper.

Myambutol shipping

The medication is shipped all over the world and for free if you order pills on $170 or more. The shipping takes 7-25 days (express or standard).

Free prescription
Our doctor prescribes online for free, and there is no doctor’s consultation fee.

Discrete packaging
All orders arrive in discrete unmarked parcels. We leave the shipment description blank.

For more answers see the FAQ section


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