Some people suffer from vertigo, with nausea and vomiting, while traveling by a ship or a vehicle. This is called travel-sickness. Other causes of giddiness that can be mentioned as ear-disease, head injury, sudden changes in blood-pressure or a disturbance of blood-supply to the brain.

Treatment
There are various treatments which are used for the patients suffering from the following symptoms.

Cocculus 30: Vertigo while travelling by a vehicle or a ship, a sensation of emptiness and pain in the back of the head when the patient can`t lie on the back. All of these are the symptoms where Cocculus 30 can be used. Nausea and vomiting with a metallic taste in the mouth and trembling of head and the limbs are some of the other symptoms that require the medicine.

Nux vomica 30: Vertigo, especially when travelling in strong sun-shine, brain feels turning around in circles, pain in the front of the head with a desire to press it against something, nausea in the morning, vomiting with much retching stomach region very sensitive to pressure, frequent ineffectual desire for stools are the various symptoms for which the Nux vomica medicine is required. .

Petroleum 30: Vertigo, which is better lying down but worse on rising, the person feels a cold breeze blowing on the head, the back of the head feels heavy, as if filled with lead, headache, which is better by pressing upon the temples or sides, nausea with accumulation of water in the mouth. These are the symptoms for which the medicine named Petroleum 30 can be used.

Tabacum 30: Vertigo while travelling, forcing the person to keep the eyes closed, constant nausea, with a feeling of sinking in the pit of the stomach, sensation of a band around the head, vomiting of foul smelling substance are some of the common symptoms that required the immediate use of this medicine.