What is Tolvaptan 15 mg used for?
Tolvaptan 15 mg tablets are a type of medication known as a vasopressin receptor antagonist, used to treat a condition called hyponatremia, a condition in which the concentration of sodium in the blood is lower than normal [1]. This can lead to a range of symptoms, including headaches, nausea, vomiting, and in severe cases, seizures and even death.
How does Tolvaptan 15 mg work?
Tolvaptan 15 mg works by blocking the action of vasopressin, a hormone that helps regulate the level of water in the body, known as the antidiuretic hormone (ADH) [2]. By blocking ADH, tolvaptan 15 mg increases the amount of urine produced, which helps to correct the low sodium levels in the blood.
Who makes Tolvaptan 15 mg?
Tolvaptan 15 mg is made by Otsuka Pharmaceutical Co., Ltd [3]. You can also find the product at various online pharmacies including https://www.drugs.com.
Side effects of Tolvaptan 15 mg
Common side effects of Tolvaptan 15 mg include increased thirst, dry mouth, muscle cramps, diarrhea, and increased urination [4]. However, there have been reports of more serious side effects such as liver damage and seizures.
Can I buy Tolvaptan 15 mg online?
Due to the potential side effects and the need for close medical supervision, tolvaptan 15 mg can only be obtained through a prescription from a licensed healthcare professional. This is because it can cause serious medical problems, and a doctor will evaluate the benefits of the use of the drug in relation to the risks.
Patent status of Tolvaptan 15 mg
The patent for the active ingredient of Tolvaptan, (N-[4-Methyl-5-isoxazolyl]-N'-[4-methyl-2,5-dioxo-3H-pyrazol-3-yl]hydrazinecarboxamide), expired in the US [5].
What are the dosage and administration instructions for Tolvaptan 15 mg?
Tolvaptan 15 mg should be taken orally once a day. Dosage should be adjusted based on the patient's response and serum sodium levels. However, the use of the drug should be done under the guidance and supervision of a healthcare professional.
Source: Drugs.com
References:
[1] National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). (2022). Hyponatremia.
[2] FDA.gov. (2022). Tolvaptan.
[3] Otsuka Pharmaceutical Co., Ltd. (2022). Tolvaptan.
[4] Drugs.com. (2022). Tolvaptan.
[5] DrugPatentWatch. (2022). US Patent 8, 134, 644.