What are the side effects of Tamiflu?
Mar 09, 2025
Source: Cainiu Health
Dr. Bai Hongmei
Introduction
In general, Tamiflu refers to oseltamivir phosphate capsules, which are antiviral medications. Possible side effects include nausea, abdominal pain, insomnia, dizziness, and psychiatric disturbances. It is recommended to take Tamiflu strictly according to the doctor's prescription. Do not adjust the dosage or discontinue the medication on your own, in order to avoid affecting treatment efficacy or causing adverse reactions. If any discomfort occurs, stop taking the medication immediately and seek medical attention promptly.
Generally speaking, "Tamiflu" refers to oseltamivir phosphate capsules, which are antiviral medications. Possible side effects may include nausea, abdominal pain, insomnia, dizziness, and psychiatric abnormalities, among others. A detailed analysis is as follows:
1. Nausea
OseItamivir phosphate capsules can irritate the gastrointestinal mucosa, interfere with the normal peristalsis and secretion of digestive fluids, leading to gastrointestinal dysfunction, which may cause nausea. This usually occurs at the beginning of treatment; most patients experience mild symptoms that may gradually improve over time.
2. Abdominal Pain
OseItamivir phosphate capsules can irritate the gastrointestinal tract, disrupting the normal contraction and relaxation functions of smooth muscles, thereby causing pain. The severity of abdominal pain varies from person to person and may manifest as dull pain, distension pain, or colicky pain, commonly localized in the abdomen.
3. Insomnia
The components of oseltamivir phosphate capsules may affect the normal functioning of the nervous system, disrupting the balance of neurotransmitters and altering the excitability of brain nerves, which may lead to insomnia. Patients may experience difficulty falling asleep, light sleep, or vivid dreams after taking the medication, which can affect rest and daily activities.
4. Dizziness
OseItamivir phosphate capsules may interfere with the function of the vestibular organs in the inner ear or affect the brain's perception of body balance and spatial orientation, resulting in dizziness. In severe cases, this may impact the patient's ability to walk or stand.
5. Psychiatric Abnormalities
The medication may interfere with neural signal transmission in the brain, affecting the synthesis, release, and metabolism of neurotransmitters, which may lead to psychiatric symptoms such as hallucinations, anxiety, depression, or abnormal behavior.
It is recommended to strictly follow the doctor's prescription when taking oseltamivir phosphate capsules. Do not adjust the dosage or discontinue the medication on your own, as this may affect treatment efficacy or cause adverse reactions. If any discomfort occurs during the use of oseltamivir phosphate capsules, especially severe side effects such as psychiatric abnormalities or difficulty breathing, stop taking the medication immediately and seek medical attention promptly.
