Why are Hiccups Caused?
October 7, 2023 | by Yashaswi Pathakamuri | Posted in FAQ's
Hiccups are involuntary contractions of the diaphragm, the muscle that separates the chest from the abdomen and plays a crucial role in the breathing process. These contractions are often followed by a sudden closure of the vocal cords, which produces the characteristic “hic” sound. The exact cause of hiccups is not always clear, but they can be triggered by a variety of factors, including:
- Irritation of the Phrenic Nerves or Diaphragm: The phrenic nerves control the movement of the diaphragm. Irritation of these nerves or the diaphragm itself, often due to factors like overeating, consuming carbonated beverages, eating spicy foods, or swallowing air while eating or drinking, can lead to hiccups.
- Stimulation of the Vagus Nerve: The vagus nerve, which runs from the brain to the abdomen, is involved in various involuntary bodily functions, including digestion and swallowing. Stimulation of the vagus nerve, which can occur when eating or drinking too quickly, can trigger hiccups.
- Sudden Temperature Changes: Rapid changes in temperature, such as consuming hot or cold foods or beverages, can sometimes trigger hiccups in sensitive individuals.
- Emotional Factors: Stress, excitement, anxiety, or strong emotions can lead to hiccups in some people. These emotional triggers may affect the normal functioning of the diaphragm and its associated nerves.
- Gastroesophageal Reflux (GERD): In some cases, acid reflux or GERD can irritate the diaphragm and cause hiccups.
- Certain Medications: Some medications, particularly those that affect the central nervous system, may have hiccups as a side effect.
Hiccups are usually harmless and tend to resolve on their own within a short period of time. However, persistent or severe hiccups that last for more than 48 hours may require medical evaluation, as they could be a sign of an underlying medical condition or nerve dysfunction. In such cases, a healthcare provider may recommend treatment options to relieve hiccups.
There are various home remedies and techniques that people often try to stop hiccups, such as holding one’s breath, drinking a glass of cold water, or stimulating the throat with a dry piece of bread. These methods may work for some individuals, but their effectiveness can vary from person to person.