The cough comes about halfway through dinner. A small one, usually, after a sip of water or a spoon of rasam. Someone pats her back. She waves it off. The meal continues.
If you live with an older person, you may know that cough. I want to explain why it deserves more attention than a pat on the back. I’ll do it by working through five things families often believe about swallowing, each of which I believed in some form before I learned better.
Belief 1: “Coughing while eating is just old age.”
Swallowing is one of the most complicated things the body does. It takes dozens of muscles and precise timing, so that food goes down the oesophagus and not into the airway. Age makes the system slower and less forgiving. But a regular cough or throat-clearing at meals is a sign that food or drink is slipping towards the airway. That has a name, dysphagia, and it can be assessed and managed.
It is common. After a stroke, a large share of patients have swallowing difficulty in the early weeks. It is frequent in Parkinson’s disease and dementia, after head and neck cancer, and in frail older adults generally. Studies in care homes have found it in a large proportion of residents.
Belief 2: “If she isn’t coughing, she’s swallowing safely.”
This is the one that worries me most. Some people aspirate silently. Food or fluid enters the airway with no cough at all, because the protective reflex has weakened. The first sign may be a chest infection, especially one that keeps coming back. Other quiet clues:
- a wet or gurgly voice after drinking;
- meals taking much longer than before;
- food pocketed in the cheeks, or left in the mouth after swallowing;
- avoiding certain foods, or quietly eating less;
- unexplained weight loss, or frequent low-grade fevers.
If you are seeing any of these, ask your doctor about a swallowing assessment. Ideally that is done by a speech-language pathologist, who may use a bedside test or an instrumental study.
Belief 3: “Thin food is safest, so give kanji and water.”
It feels logical. Liquids don’t need chewing, so they must be easier. In fact, for many people with dysphagia, thin liquids are the hardest thing to control. Water moves fast, and a slow swallow can’t keep up. Slightly thicker drinks travel more slowly and give the swallow time to catch up.
But “thicker” can’t be a guess. One family’s “slightly thick” is another’s paste. That’s why there is now an international language for food textures: the IDDSI framework (International Dysphagia Diet Standardisation Initiative). It runs from level 0 (thin liquids like water) to level 7 (regular food), with simple tests, such as a fork test and a syringe flow test, that anyone can do at home. When a therapist says “level 2, mildly thick”, everyone from the hospital kitchen to the grandmother at home can make the same thing.
Belief 4: “Once she has dysphagia, she’ll have to eat paste forever.”
Not necessarily. Swallowing often improves, particularly after stroke. Therapists teach exercises, postures (for example, tucking the chin while swallowing) and strategies that let many people return to more normal textures. The diet is a prescription that should be reviewed as things change, not a sentence.
And when texture-modified food is needed, it doesn’t have to be grey and joyless. Idiyappam soaked soft in stew, a smooth avial blended to the right level, a well-made payasam: the flavours of home can survive a change in texture. Food that tastes like home gets eaten.
Belief 5: “It’s only about eating.”
Dysphagia touches everything. It brings the risk of pneumonia. It brings malnutrition and dehydration, because people quietly eat and drink less when swallowing is frightening. It also brings isolation. Many older people stop joining family meals or functions because they are embarrassed to cough at the table. That is a loss, too.
Some things you can do this week
- Have meals sitting fully upright, ideally at a table, and stay upright for 30 minutes afterwards.
- Slow down: small mouthfuls, one at a time, no talking while chewing.
- Keep the mouth clean. Good oral hygiene lowers the risk that anything aspirated causes infection.
- Check that dentures fit. Loose dentures make chewing and swallowing harder.
- Ask for a medication review. Some medicines dry the mouth or cause drowsiness at mealtimes.
- Ask for a proper swallowing assessment rather than guessing at textures.
That small cough halfway through dinner is the body asking for help in the only way it can. It’s worth listening to.
Further reading
- International Dysphagia Diet Standardisation Initiative. The IDDSI Framework (iddsi.org).
- Martino R, Foley N, Bhogal S, et al. Dysphagia after stroke: incidence, diagnosis, and pulmonary complications. Stroke. 2005;36:2756–2763.