I'm sorry to hear you're experiencing these headaches. Headaches triggered by laughing or coughing, especially if they are sudden and brief, can sometimes be a sign of an underlying issue that needs medical evaluation.

Here are some important points to consider:

• These headaches could be related to increased pressure in the head or other neurological causes.
• It is important to have a thorough assessment by a neurologist (a specialist doctor for brain and nervous system conditions) to determine the exact cause.
• If you experience additional symptoms such as vision changes, weakness, numbness, difficulty speaking, or if the headaches worsen or become more frequent, seek medical attention promptly.
• Avoid self-medicating or ignoring these symptoms until a proper diagnosis is made.

Next steps:

• Schedule an appointment with a neurologist for a detailed evaluation.
• Keep a diary of your headaches noting the frequency, duration, triggers, and any associated symptoms to help the doctor with diagnosis.
• In case of sudden severe headache or neurological symptoms, go to the emergency department immediately.

Please consult a neurologist to get a precise diagnosis and appropriate treatment. If you have any other symptoms or concerns, do not hesitate to seek urgent care.To narrow down potential causes, we will need some more information.I understand you're experiencing brief, left-sided headaches when you laugh or cough. To better assist you, could you please provide your age and gender?