Can a severe headache along with bloodshot eyes be a sign of a serious condition?

The medical name for this is a subconjunctival haemorrhage and it can be caused by straining, coughing, vomiting or even heavy sneezing.Burst blood vessels can ... Rhinoconjunctivitis. Rhinitis is characterized by one or several of the following symptoms: nasal congestion, runny nose, post-nasal drip, sneezing, red ... Seasonal or environmental allergies, such as those to pollen, pet dander, and cigarette smoke, can cause red and swollen eyes. You may also experience itching, ... Aug 5, 2022 ... Bloodshot eyes can be a symptom of some quite serious eye conditions, or just a mild irritation. Find out what's responsible in your case and how you can ... Red eyes are usually caused by easily treated issues like allergies or pink eye. But if you're in pain or your vision's changing, it could be more serious. Jul 12, 2018 ... This increases the blood flow to these areas and causes an overall decrease in blood pressure. The increased blood flow to your eyeball causes ... Some dogs react badly to common allergens and this can cause their eyes to become red and bloodshot. This is very common in dogs with large eyes that are ... Sep 10, 2024 ... What Causes Bloodshot Eyes? · Allergies and Sensitivities · Blepharitis · Contact Lenses · Corneal Abrasions and Ulcers · Dry Eye · Eye Strain. Red eye. A red eye is usually nothing to worry about and often gets better on its own. But sometimes it can be serious and you'll need to get medical help. What causes a subconjunctival hemorrhage? · Eye injury (including injury from eye surgery) · High blood pressure · Inflammation of the conjunctiva · Contact lens ...