Learn common headache causes, migraine symptoms, safe self-care, urgent red flags, and when teleconsult or clinic review is appropriate in Singapore.
Digital Health Clinic·30 Jul 2026·9 min read
Most headaches are not dangerous, but the right next step depends on the pattern. A mild headache after poor sleep, stress, dehydration or long screen time may improve with rest and simple pain relief. A sudden severe headache, a new headache with neurological symptoms, or a headache after injury needs urgent medical assessment.
This guide explains what may be safe to monitor, what needs GP review, and what should not wait. For online assessment and treatment details, see our headache and migraine teleconsult page.
Teleconsult guide
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Headaches can feel similar even when the cause differs. SingHealth describes several common headache types, including tension-type headache, migraine, cluster headache, sinus headache and medication-overuse headache. A doctor looks at location, severity, timing, associated symptoms and whether the pattern has changed.
Pattern
Common features
Typical next step
Tension-type headache
Dull pressure on both sides of the head, often with neck or shoulder tightness.
Hydration, rest, posture changes and simple pain relief if safe.
Migraine
Throbbing pain, often one-sided, with nausea or sensitivity to light and sound. Some people get aura.
Early treatment, rest in a dark room and doctor review if frequent or disabling.
Sinus-related headache
Facial pressure with blocked nose, thick discharge or fever.
Assess for sinus infection, allergy or viral illness if symptoms persist.
Medication-overuse headache
Headache becomes frequent while painkillers are taken on many days each month.
Doctor-led plan to reduce overuse and prevent rebound headaches.
Secondary headache
New, sudden, progressive or linked with fever, injury, pregnancy or neurological symptoms.
In-person or emergency assessment depending on severity.
What you can try at home first
If the headache is mild, familiar and not linked to warning signs, start with basics: drink water, eat if you have missed a meal, rest your eyes, reduce screen brightness and sleep if you are exhausted. Paracetamol or ibuprofen may help, but check with a pharmacist or doctor if you have medication allergies, stomach ulcers, kidney disease, blood thinners, pregnancy or other medical conditions.
For migraine, HealthHub notes that attacks often build over minutes to hours and can come with nausea, vomiting, light sensitivity or sound sensitivity. Treating early usually works better than waiting until pain is severe. Avoid taking painkillers repeatedly without advice, because frequent use can make headaches harder to control.
When to see a GP or online doctor
See a doctor if the headache lasts more than a day despite over-the-counter pain relief, keeps coming back, affects your work or daily routine, appears after a head injury, or comes with nausea or vomiting. A doctor can review whether this sounds like migraine, tension-type headache, sinusitis, high blood pressure, medication overuse or another cause.
A Singapore online doctor consultation may be reasonable when the headache is mild to moderate, familiar, and not associated with emergency symptoms. It can be useful for migraine medication advice, MC assessment when clinically appropriate, medication side effects, or deciding whether you need a clinic review.
Headache red flags: seek urgent care
Sudden, severe headache that reaches peak intensity quickly.
Headache with stiff neck, fever, rash, confusion or drowsiness.
Weakness, numbness, blurred vision, double vision, difficulty speaking or seizures.
Headache after a fall, accident or blow to the head.
New severe headache during pregnancy or after delivery.
New headache pattern after age 50.
Headache that is progressively worsening over days or weeks.
Headache with very high blood pressure, chest pain or breathlessness.
These symptoms may signal stroke, bleeding around the brain, meningitis, head injury, severe infection or another condition that needs examination and sometimes imaging. Do not wait for a routine teleconsult if symptoms are severe or rapidly changing.
Can a headache qualify for an MC?
Sometimes. A doctor may issue an MC if the headache, nausea, light sensitivity, medication drowsiness or functional impairment makes you medically unfit for work or school. The MC decision is based on assessment, not on request alone.
If you operate machinery, drive, work at heights, handle food, care for children or need prolonged screen concentration, explain your job duties. The same headache may affect different workers differently. For broader rules, read our medical certificate guide.
How to prepare for a headache consultation
Describe where the pain is and whether it is throbbing, pressure-like, sharp or burning.
Rate severity from 0 to 10 and note when it started.
List triggers such as sleep changes, missed meals, alcohol, stress, screen use or menstrual cycle.
List medicines already taken and how often you use painkillers each month.
Prepare a blood pressure reading if you have a home monitor.
For recurring headaches, a simple diary can help. Record date, duration, severity, suspected trigger, medicine taken and whether it worked. Patterns are often clearer after two to six weeks of notes.
Seek emergency care for sudden severe headache, headache with weakness or speech difficulty, seizure, confusion, stiff neck, fever, head injury, or a new severe headache during pregnancy.
How do I know if it is migraine?
Migraine often causes moderate-to-severe throbbing pain, nausea or vomiting, and sensitivity to light or sound. Some people have aura before the headache. A doctor can confirm whether the pattern fits migraine.
Can teleconsult handle headache?
Sometimes. Teleconsult may be suitable for a familiar mild-to-moderate headache or migraine without red flags. New, severe or neurological headaches need in-person care.
Can too many painkillers cause headaches?
Yes. Frequent painkiller use can contribute to medication-overuse headache. If you need pain relief on many days each month, see a doctor for a prevention plan.
